Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung quan trinh snippets" » "dung qua trinh snippets", "dung quan tinh snippets", "dung xuan trinh snippets", "dung quang trinh snippets", "dung luan trinh snippets", "luong quan trinh snippets", "dung quan trinh slippers"
"dung cau code snippets" » "dung chau code snippets", "dung cu code snippets", "dung cac code snippets", "dung cau cong snippets", "dung cau de snippets", "dung cfd code snippets", "dung cau code slippers"

Try widening your search to All Fields.

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