Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dac luan ngu snippets" » "dan luan ngu snippets", "dat luan ngu snippets", "dau luan ngu snippets", "dac luan ngon snippets", "dac luan nghi snippets", "dac luyen ngu snippets", "dac luan ngu 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: (((("dac luan ngu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dac luan ngu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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