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
ho chieu » hoc thieu, doi chieu, mot chieu
quan ban » quang ban, qua ban, quan van
ban cong » bang cong, van cong, phan cong
cong san » cong tac
toan cao » toan tap
toan ban » van ban

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 (theo chieu)) sang - hanh trinh quan ban cong san ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) sang - hanh trinh quan ban cong san ((toan cao) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sang - hanh trinh quan ban cong san ((toan cao) OR (toan ban))*.