Perhaps you should try some spelling variations:
thanh trung » thanh tung
tuan truong » xuan truong, tuan trung, quang truong
truong cong » trong cong, truong dong, truong long
theo chieu » theo tieu, thi chieu
trung tuan » trung thanh, trung tam, tran tuan
theo chu » cho chu, chao chu, theo yeu
ho chieu » hoc thieu, doi chieu, mot chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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))) OR (ho chieu)) sang - thanh trung tuan truong cong tac toan cau~.
• Adding a wildcard symbol may retrieve word variants: ((((theo chieu) or (theo chu))) or (ho chieu)) sang - thanh trung tuan truong cong tac toan cau*.