Perhaps you should try some spelling variations:
cong cong » cong dong, trong cong, dung cong
cach thoi » cac thoi, cach thuc, cach noi
thi cong » tai cong, thien cong
cac khu » cac khoi, cac kieu
cac thu » cach thuc, cac thoi
ban le » ban ve
y thi » ky thi, y thai, ly thi
le y » le ky, le sy, ly 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 (cac thu))) or (cach thoi)) đe co ban le y thi cong cong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tuyen tap ((((cac khu) OR (cac thu))) OR (cach thoi)) đe co ban le y thi cong cong.
• Adding a wildcard symbol may retrieve word variants: tuyen tap ((((cac khu) or (cac thu))) or (cach thoi)) đe co ban le y thi cong cong*.