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