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