Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc phung ma snippets" » "duc hung ma snippets", "duc thang ma snippets", "duc dung ma snippets", "duc phuong mai snippets", "duc phung manh snippets", "duc phung van snippets", "duc phung ma 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: (((("duc phung ma snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc phung ma snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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