Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac thoi phi snippets" » "cac toi phi snippets", "cac hop phi snippets", "cac tro phi snippets", "cac thi phi snippets", "cac chi phi snippets", "cac thoi dai snippets"

Try widening your search to All Fields.

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