Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"pha luc nhan snippets" » "pha luc nhat snippets", "pha cu nhan snippets", "pha tue nhan snippets", "pha suc nhan snippets", "nhan luc nhan snippets", "pham duc nhan snippets"

Try widening your search to All Fields.

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