Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tan lap khoa snippets" » "tan lao khoa snippets", "tan la khoa snippets", "tan luan khoa snippets", "toan lap khoa snippets", "dan lap khoa snippets", "tai lap khoa snippets", "tan lap khoa 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: (((("tan lap khoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan lap khoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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