Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh nhat de snippets" » "trinh chat de snippets", "trinh nha de snippets", "trinh nhap de snippets", "trinh nhat ve snippets", "trinh nhat le snippets", "trinh chat deo snippets"
"dung cac code snippets" » "luong cac code snippets", "dung cho code snippets", "dung tai code snippets", "dung cac cong snippets", "dung cac co snippets", "dung cac che snippets"

Try widening your search to All Fields.

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