Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cau cua thuc snippets" » "cau cua thuoc snippets", "cau chua thuc snippets", "cau cua tuc snippets", "cau qua thuc snippets", "ca cua thuc snippets", "cu cua thuc snippets", "cau cua thuc 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: (((("cau cua thuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau cua thuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau cua thuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
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