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