Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoan tran vi snippets" » "hoang tran vi snippets", "thoan tran vi snippets", "toan tran vi snippets", "hoan tran si snippets", "hoan tran vu snippets", "hoan tran mi snippets", "hoan tran vi 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 tran vi 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 tran vi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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