Perhaps you should try some spelling variations:
cong cong » cong dong, trong cong, dung cong
van chien » van hien, van hieu, van tien
cac khu » cac khoi, cac kieu
cac thu » cach thuc, cac thoi
te cong » tai cong, thi cong, thu cong
ban ve » ban va
ve y » ve ky, ve _, ke y
tuyen » truyen, quyen

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

• Performing a fuzzy search may retrieve terms with similar spellings: tuyen tap ((((cac khu) or (van chien))) or (cac thu)) đe co ban ve y te cong cong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tuyen tap ((((cac khu) OR (van chien))) OR (cac thu)) đe co ban ve y te cong cong.
• Adding a wildcard symbol may retrieve word variants: tuyen tap ((((cac khu) or (van chien))) or (cac thu)) đe co ban ve y te cong cong*.