Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cho duoc cac snippets" » "cho duoc code snippets", "che duoc cac snippets", "co duoc cac snippets", "cho cuoc cac snippets", "cho cuoc cach snippets", "cho duoc chat snippets", "cho duong cac 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: (((("cho duoc cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho duoc cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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