Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"pho cac nhan snippets" » "pho ca nhan snippets", "pho cac nha snippets", "pho cam nhan snippets", "cho cac nhan snippets", "tho cac nhan snippets", "pho cap nhan snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("pho cac 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: (((("pho cac nhan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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