Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi loan cao snippets" » "thi loan code snippets", "thi lan cao snippets", "thi hoan cao snippets", "thi lien cao snippets", "thi toan cao snippets", "thi hoang cao snippets", "thi doanh cao 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: (((("thi loan cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi loan cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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