Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi phan bai snippets" » "phoi phan bai snippets", "chi phan bai snippets", "phe phan bai snippets", "phi phan ba snippets", "phi phan dai snippets", "phi phan bac snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phi phan bai snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi phan bai snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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