Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
tuong dong » tuong duong, trong dong, cuong duong
doi chieu » doc hieu, doi chi, mot chieu
trang cua » tranh cua, tang cua, trung cua
cua tuong » cua truong, cua thuong, cua huong
khoan cam » khoa cam, khoan va, phan cam
ho chieu » theo chieu, hoc thieu, mot chieu
dong tac » cong tac, dong tai, dong bac
than cap » khan cap, thanh lap, thanh 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 trang cua tuong dong tac ((than cap) OR (khoan cam))~.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - hanh trang cua tuong dong tac ((than cap) or (khoan cam))*.