Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh chua » trinh chuan, trinh cua, trinh chu
chua duong » chua dong, thuy duong, cau duong
duong cong » dung cong, luong cong, duong trong
cong thanh » dong thanh, cong trinh, cong tan
thanh than » thanh thanh, thanh thang, thanh toan
tiem hanh » tim hanh, tien thanh, liem thanh
tien hanh » tien thanh, hien hanh, tien anh
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 duong 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 duong cong thanh than cau.
• Adding a wildcard symbol may retrieve word variants: theo ((tiem hanh) or (tien hanh)) - hanh trinh chua duong cong thanh than cau*.