Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tri van ngan snippets" » "tri van nhan snippets", "tri von ngan snippets", "tri van nga snippets", "thi van ngan snippets", "tri va ngan snippets", "trinh van ngan snippets", "tri van ngan 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: (((("tri van ngan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tri van ngan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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