Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
quang cua » quang tuan, quang huy, dung cua
quan cua » quan luan, ban cua, gian cua
cong tan » cong tac, cong san, cong ty
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chua xang - anh ((quang cua) or (quan cua)) dang ((cong thanh) OR (cong tan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - anh ((quang cua) OR (quan cua)) dang ((cong thanh) OR (cong tan)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chua xang - anh ((quang cua) or (quan cua)) dang ((cong thanh) OR (cong tan)) toan tap".
• Adding a wildcard symbol may retrieve word variants: theo chua xang - anh ((quang cua) or (quan cua)) dang ((cong thanh) OR (cong tan)) toan tap*.