Perhaps you should try some spelling variations:
cong cong » cong dong, trong cong, dung cong
quyen cap » quyen cach, huyen cao, quyen con
thi cong » tai cong, thien cong
cac chu » cac thu, cac khu, ca chu
cac che » cac he, cac chien, cac chat
ban ve » ban va
y thi » ky thi, y thai, ly thi
ve y » ve ky, ve _, ke y

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

• Performing a fuzzy search may retrieve terms with similar spellings: quyen cap ((cac chu) OR (cac che)) đe co ban ve y thi cong cong~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "quyen cap ((cac chu) OR (cac che)) đe co ban ve y thi cong cong*".