Perhaps you should try some spelling variations:
"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 danh snippets" » "trinh chat danh snippets", "trinh chao danh snippets", "trinh tu danh snippets", "trinh cao danh snippets", "trinh chuc danh snippets", "trinh nam danh snippets", "trinh cau danh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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