Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoan le tran snippets" » "hoang le tran snippets", "khoan le tran snippets", "hon le tran snippets", "hoan le trang snippets", "hoan le tuan snippets", "hoan le tan snippets", "hoan le 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: (((("hoan le 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: (((("hoan le tran snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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