Perhaps you should try some spelling variations:
trung cong » truong cong, trong cong, trung uong
cua trung » cua truong, xuan trung, cua nhung
thi chieu » thi chien, thi hieu, theo chieu
theo chu » theo chieu, cho chu, chao chu
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty

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: ((thi chieu) OR (theo chu)) tinh - anh tang cua trung cong tac ((toan ban) OR (van ban))~.
• Adding a wildcard symbol may retrieve word variants: ((thi chieu) or (theo chu)) tinh - anh tang cua trung cong tac ((toan ban) or (van ban))*.