Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tac dat sach snippets" » "tac mat sach snippets", "tac dat khach snippets", "tac nam sach snippets", "tac da sach snippets", "tac dao sach snippets", "tac dau sach snippets", "tac dat sach 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: (((("tac dat sach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tac dat sach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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