Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"chon tu thuc snippets" » "con tu thuc snippets", "cho tu thuc snippets", "choi tu thuc snippets", "chon tu thuoc snippets", "chon thu thuc snippets", "chon tu thu snippets"

Try widening your search to All Fields.

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