Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu toc qua snippets" » "thu tuc qua snippets", "thi toc qua snippets", "thu hoc qua snippets", "thu goc qua snippets", "thu tac quan snippets", "thu hoc quan snippets", "thu toc qua slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("thu toc qua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu toc qua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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