Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, thi chieu
trong tac » trong cac, tuong tac, trong tan
theo chu » cho chu, chao chu, theo yeu
trung ap » trung cap, trung lap, trung tam
tban cau » toan cau, toan cao, ban can
ap dung » xay dung, van dung
ban cau » bang cau, ban can, van cau

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: ((theo chieu) OR (theo chu)) sang - thanh trung ap dung trong tac ((tban cau) OR (ban cau))~.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) sang - thanh trung ap dung trong tac ((tban cau) or (ban cau))*.