Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cong thanh » dong thanh, cong tan, truong thanh
thanh chau » thanh cham, thanh chu, thanh hai
trinh han » trinh quan
han chung » phan chung, han chang, van chuong
thanh cha » thanh ha, thanh nha, thanh phan
chi tach » chiu trach, chiet tach, chi thanh
doi chi » doi khi

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: doi chi tach - hanh trinh han chung ((cong thanh) OR (cong trinh)) ((thanh chau) OR (thanh cha))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi tach - hanh trinh han chung ((cong thanh) OR (cong trinh)) ((thanh chau) or (thanh cha))~".
• Adding a wildcard symbol may retrieve word variants: doi chi tach - hanh trinh han chung ((cong thanh) OR (cong trinh)) ((thanh chau) or (thanh cha))*.