Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tri tac dung snippets" » "tri sach dung snippets", "tri xay dung snippets", "tri tin dung snippets", "tri tai dung snippets", "tri mac dung snippets", "thi tac dung snippets", "tri tac dung 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: (((("tri tac dung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tri tac dung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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