Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"truc va phat snippets" » "thuc va phat snippets", "thuc vat phat snippets", "trung va phat snippets", "truc va phan snippets", "truc va pham snippets", "truc va phap snippets", "truc va phat 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: (((("truc va phat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("truc va phat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truc va phat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc va phat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.