Perhaps you should try some spelling variations:
trinh chua » trinh chuan, trinh cua, trinh chu
hanh trinh » canh tranh, hanh chinh
tiem hanh » tim hanh, tien thanh, liem thanh
tien hanh » tien thanh, hien hanh, tien manh
chua dong » cua dong, ha dong, huy dong
dong cong » duong cong, dung cong, dang cong
tien anh » tieng anh, tien manh, dien anh
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
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 ((tiem hanh) or (((tien hanh) OR (tien anh)))) - hanh trinh chua dong cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tiem hanh) OR (((tien hanh) OR (tien anh)))) - hanh trinh chua dong cong tan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tiem hanh) or (((tien hanh) OR (tien anh)))) - hanh trinh chua dong cong tan than cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tiem hanh) or (((tien hanh) OR (tien anh)))) - hanh trinh chua dong cong tan than cau*.