Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuon vai cac snippets" » "cuon vai code snippets", "cuong bai cac snippets", "cuong hai cac snippets", "chon vi cac snippets", "cuon va cac snippets", "cuon tai cac snippets", "cuon voi cac snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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