Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cuon van tan snippets" » "cuoi van tan snippets", "chon van tan snippets", "duong van tan snippets", "cuon van tuan snippets", "cuon van ban snippets", "cuon van tai snippets", "cuon van tan 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: (((("cuon van tan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuon van tan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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