Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc duy tao snippets" » "duc huy tao snippets", "duc quy tao snippets", "duc dung tao snippets", "duc duc tao snippets", "duc duy hao snippets", "duc duy tan snippets", "duc duy tao 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: (((("python using java snippets") or ("duc duy tao snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("duc duy tao snippets"))) OR ("locating bug code snippets")).
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