Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dan sach bai snippets" » "ban sach bai snippets", "dan cach bai snippets", "dat sach bai snippets", "dan sach dao snippets", "dan cac bai snippets", "dan sach xa snippets", "dan sach bai 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: (((("dan sach bai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan sach bai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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