Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu quang » thieu quang, hieu quan, hieu qua
quan nhung » qua nhung, cua nhung, quang hung
luan chung » luan chinh
thanh cap » thanh lap, hanh cap, than cap
thanh cac » hanh cac, thanh bac, thanh ca
cong san » cong tac
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu quang - thanh trung ((quan nhung) OR (luan chung)) cong san ((thanh cap) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu quang - thanh trung ((quan nhung) OR (luan chung)) cong san ((thanh cap) OR (thanh cac))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu quang - thanh trung ((quan nhung) OR (luan chung)) cong san ((thanh cap) or (thanh cac))*".