Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nghe van cac snippets" » "nghe van code snippets", "nghe dan cac snippets", "nghe va cac snippets", "nghe san cac snippets", "nghe van hac snippets", "nghe van cau snippets", "nghe van bac snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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