Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cham hoi phu snippets" » "cham voi phu snippets", "cham h'roi phu snippets", "pham hoai phu snippets", "cham hoi chu snippets", "cham hai phu snippets", "cham hoa phu snippets", "cham hoi phu 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: (((("cham hoi phu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cham hoi phu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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