Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"quan anh doc snippets" » "quan anh code snippets", "quan hanh doc snippets", "quang anh doc snippets", "tuan anh doc snippets", "quan anh duc snippets", "quan anh hoc snippets", "quan nang doc snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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