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