Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
theo chieu » theo tieu, ho chieu, thi chieu
trinh cua » tinh cua, trinh luat, trinh quan
dong cong » duong cong, dung cong, dang cong
tac thanh » bac thanh, cac thanh, tcc thanh
theo chu » cho chu, chao chu, theo yeu
cua dong » chua dong, cua cong, cua dang
tac than » tam than, tac nhan, bac thanh

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 (theo chu)) sang - hanh trinh cua dong cong ((tac than) OR (tac thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) sang - hanh trinh cua dong cong ((tac than) OR (tac thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo chu)) sang - hanh trinh cua dong cong ((tac than) OR (tac thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) sang - hanh trinh cua dong cong ((tac than) OR (tac thanh)) cau*.