Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi hoc do snippets" » "thi hoc code snippets", "thai hoc do snippets", "tri hoc do snippets", "thi hoa do snippets", "thi hoc doi snippets", "thi hoc co snippets", "thi hoc bo 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 hoc do 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 hoc do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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