Perhaps you should try some spelling variations:
thanh tung » thanh cong
tuan nhung » quan nhung, tuan hung, thuat nhung
nhung cong » dung cong, thong cong, hang cong
tung tuan » trung tuan, hung tuan, quang tuan
chi hanh » chi nhanh, chi thanh, thi hanh
cong dan » cong san, cong tan, huong dan
than cau » than cap, thanh chau, thanh mau
phan cau » phan dau, phan cac, phan tu
toan cau » toan cao, toan ban, toan tap
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 hanh - thanh tung tuan nhung cong dan ((((than cau) OR (phan cau))) OR (toan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi hanh - thanh tung tuan nhung cong dan ((((than cau) OR (phan cau))) or (toan cau))~".
• Adding a wildcard symbol may retrieve word variants: doi chi hanh - thanh tung tuan nhung cong dan ((((than cau) OR (phan cau))) or (toan cau))*.