Perhaps you should try some spelling variations:
"hanh trinh code snippets" » "canh tranh code snippets", "hanh chinh code snippets", "hanh trinh cong snippets", "hanh trinh co snippets", "hanh trinh cad snippets"
"dung quang dat slippers" » "dang quang dat slippers", "luong quang dat slippers", "dung luan dat slippers", "dung quang dai slippers", "dung quang dam slippers", "dung quang phat slippers", "dung quang dat slippery", "dung quang dat grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

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