Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cuc hoa tiep snippets" » "cuc hoa thiet snippets", "cuc hoa viet snippets", "cuc hoa tinh snippets", "duc hoa tiep snippets", "chuc hoat tiep snippets", "duc hoan tiep snippets", "cuc hoa tiep 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: (((("cuc hoa tiep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuc hoa tiep snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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