Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chon cac chi snippets" » "chon cac code snippets", "cho cac chi snippets", "thong cac chi snippets", "hoc cac chi snippets", "chon ca chi snippets", "chon cac che snippets", "chon cac thi snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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