Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung dung code snippets" » "duong dung code snippets", "ung dung code snippets", "dung ung code snippets", "dung dung cong snippets", "dung dung co snippets", "dung dung de snippets", "dung dung code slippers"
"trinh cau hat snippets" » "trinh chat hat snippets", "trinh chao hat snippets", "trinh tu hat snippets", "trinh cao chat snippets", "trinh cuu phat snippets", "trinh cau hat slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung dung code snippets") or ("trinh cau hat snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dung code snippets") OR ("trinh cau hat snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung dung code snippets ) or ( trinh cau hat snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dung code snippets") or ("trinh cau hat snippets"))) or ("locating bugs code snippets"))*.