Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"chon cac ban snippets" » "cho cac ban snippets", "thong cac ban snippets", "hoc cac ban snippets", "chon cac dan snippets", "chon cac van snippets", "chon can ban snippets"

Try widening your search to All Fields.

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