Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"mau thi tran snippets" » "mau thi trang snippets", "mau thi thanh snippets", "mau thi lan snippets", "mau thai tran snippets", "cau thi tran snippets", "hau thi tran snippets", "mau thi tran 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: (((("mau thi tran snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mau thi tran snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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