Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoa than xa snippets" » "khoa luan xa snippets", "hoa thai xa snippets", "hoa tan xa snippets", "khoa than va snippets", "khoa tan xa snippets", "khoa than ha snippets", "khoa than xa 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: (((("khoa than xa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa than xa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoa than xa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
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