Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan long » quan lang, quan dong, quan hoang
long cong » luong cong, cong cong, tong cong
ho chieu » hoc thieu, doi chieu, mot chieu
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (ho chieu)) sang - hanh trinh quan long cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sang - hanh trinh quan long cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sang - hanh trinh quan long cong tac than cau*.