Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran cong ma snippets" » "tran hong ma snippets", "trien cong ma snippets", "tran hoang ma snippets", "tran cuong ma snippets", "tran cong ha snippets", "tran cong va snippets", "tran cong 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: (((("tran cong 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: (((("tran cong ma snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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