Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran duy tim snippets" » "tran duc tim snippets", "tran quy tim snippets", "tran thuy tim snippets", "tran suy tim snippets", "tran duy tich snippets", "tran huy tiem snippets", "tran duy tim 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 duy tim 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 duy tim snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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