Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran tinh ma snippets" » "tran dinh ma snippets", "tran minh ma snippets", "tran vinh ma snippets", "tran tinh va snippets", "tran tich ma snippets", "tran tinh da snippets", "tran tinh 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 tinh 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 tinh ma snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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