Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoa cuu tao snippets" » "hoa huu tao snippets", "hoa cua tao snippets", "ho cuu tao snippets", "hoa cau tao snippets", "hoa cuu dao snippets", "hoa cuu tac snippets", "hoa cuu tao 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: (((("hoa cuu tao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoa cuu tao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoa cuu tao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
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