Perhaps you should try some spelling variations:
cong cong » cong dong, trong cong, dung cong
quyen tai » xuyen tai, nguyen tai, truyen tai
cac kieu » cach tieu, cac yeu, tac kiem
cac khoi » cac thoi, cac khoan, cach thoi
cac thu » cach thuc, cac thoi
ban ke » ban kem, ban ve, ban le
o thu » o thua, ho thu, do thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: quyen tai ((((cac kieu) or (cac khoi))) or (cac thu)) đe co ban ke o thu cong cong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: quyen tai ((((cac kieu) OR (cac khoi))) OR (cac thu)) đe co ban ke o thu cong cong.
• Adding a wildcard symbol may retrieve word variants: quyen tai ((((cac kieu) or (cac khoi))) or (cac thu)) đe co ban ke o thu cong cong*.