Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"truan doi ke snippets" » "truan doi code snippets", "truyen doi ke snippets", "quan doi ke snippets", "khuan doi ke snippets", "truan do ke snippets", "truan moi ke snippets", "truan doi de 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: (((("truan doi ke snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("truan doi ke snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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