Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nghe van bac snippets" » "nghe dan bac snippets", "nghe va bac snippets", "nghe san bac snippets", "nghe van ban snippets", "nghe van bao snippets", "nghe van hac snippets", "nghe van bac 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: (((("nghe van bac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nghe van bac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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