Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi ban chat snippets" » "thi ban code snippets", "thi van chat snippets", "thi bao chat snippets", "thi luan chat snippets", "thi lan chat snippets", "tai ban chat snippets", "tri ban chat 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 ban chat 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 ban chat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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