Perhaps you should try some spelling variations:
trung cuong » trung uong, trung duong, trong chuong
thanh thanh » nhanh thanh, thanh toan, thanh phan
hieu lang » chieu sang, hieu quang, nhieu tang
thanh cua » tranh cua, than cua, hanh cua
cua trung » cua truong, xuan trung, cua nhung
cuong tap » luong tap, cong tac, luong tai
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
ho hieu » ho chieu, hoi hieu, nho hieu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh thanh cua trung cuong tap ((toan cau) OR (toan tap))~.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh thanh cua trung cuong tap ((toan cau) or (toan tap))*.