Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran quoc uu snippets" » "trung quoc uu snippets", "han quoc uu snippets", "tran duc uu snippets", "tran quoc suu snippets", "tran quoc su snippets", "tran quoc huy snippets", "tran quoc uu 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 quoc uu 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 quoc uu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran quoc uu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
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