Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dau cap dung snippets" » "dau ap dung snippets", "dau chan dung snippets", "dau cach dung snippets", "dau cay dung snippets", "day cap dung snippets", "cau chap dung snippets", "dau cap 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: (((("dau cap 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: (((("dau cap dung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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