Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thu hoai cau snippets" » "thu hoai code snippets", "thi hoai cau snippets", "thu hai cau snippets", "thu hoan cau snippets", "thu hoa cau snippets", "thu hoai cai snippets", "thu hoi cau 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: (((("thu hoai cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu hoai cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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