"how's come" meaning in English

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      "expansion": "how's come",
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  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
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      "examples": [
        {
          "text": "How's come you don't visit no more?"
        },
        {
          "ref": "1934, The New York Lumber Trade Journal, volumes 96-99, page 15",
          "text": "\"How's come we don't hear more about it back where we come from ?”",
          "type": "quotation"
        },
        {
          "ref": "c. 1975, Proceedings of the Convention, volumes 37, 1963-1979, Amalgamated Transit Union",
          "text": "So, some of the brothers who are way out there said to me, “How's come you come back and go to work for $3.90 from where you were?\"",
          "type": "quotation"
        },
        {
          "ref": "2004, Mildred D. Taylor, Roll of Thunder, Hear My Cry, book 2, page 13",
          "text": "“How's come they did that, Stacey, huh?” he asked, dusting himself off. “How's come they didn't even stop for us?”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "How come; why."
      ],
      "id": "en-how's_come-en-phrase-Wilf6xte",
      "links": [
        [
          "How come",
          "how come"
        ],
        [
          "why",
          "why"
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      ]
    }
  ],
  "word": "how's come"
}

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  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
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      "examples": [
        {
          "text": "How's come you don't visit no more?"
        },
        {
          "ref": "1934, The New York Lumber Trade Journal, volumes 96-99, page 15",
          "text": "\"How's come we don't hear more about it back where we come from ?”",
          "type": "quotation"
        },
        {
          "ref": "c. 1975, Proceedings of the Convention, volumes 37, 1963-1979, Amalgamated Transit Union",
          "text": "So, some of the brothers who are way out there said to me, “How's come you come back and go to work for $3.90 from where you were?\"",
          "type": "quotation"
        },
        {
          "ref": "2004, Mildred D. Taylor, Roll of Thunder, Hear My Cry, book 2, page 13",
          "text": "“How's come they did that, Stacey, huh?” he asked, dusting himself off. “How's come they didn't even stop for us?”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "How come; why."
      ],
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        [
          "How come",
          "how come"
        ],
        [
          "why",
          "why"
        ]
      ]
    }
  ],
  "word": "how's come"
}