Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hien danh » thien danh, hien hanh, hien nhanh
trung cua » truong cua, trung tuan, trung cap
cong cong » cong dong, trong cong, dung cong
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien danh) or (thien thanh)) - thanh ((dung cua) or (trung cua)) cong cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien danh) OR (thien thanh)) - thanh ((dung cua) OR (trung cua)) cong cong tan than cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien danh) or (thien thanh)) - thanh ((dung cua) or (trung cua)) cong cong tan than cap*.