Perhaps you should try some spelling variations:
thuong dong » phuong dong, tuong dong, chuong dong
hanh trung » thanh trung, hanh trang, manh trung
cua thuong » cua truong, cua phuong, ca thuong
doi chieu » doc hieu, doi chi, mot chieu
trung cua » truong cua, trung tuan, trung cap
ho chieu » theo chieu, hoc thieu, mot chieu
dong tac » cong tac, dong tai, dong bac
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac

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 chieu) OR (doi chieu)) xanh - hanh trung cua thuong dong tac ((than cap) OR (khan cap))~.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - hanh trung cua thuong dong tac ((than cap) or (khan cap))*.