Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
tien anh » tieng anh, tien manh, dien anh
tung cua » tuong cua, dung cua, tang cua
cong san » cong tac
san tran » tan tran, ban tran, dang tran
tran tap » toan tap, tran tan, tran tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tien anh) or (thien thanh)) - thanh ((tung cua) OR (trung cua)) dung cong san tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien anh) OR (thien thanh)) - thanh ((tung cua) OR (trung cua)) dung cong san tran tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((tien anh) or (thien thanh)) - thanh ((tung cua) OR (trung cua)) dung cong san tran tap*".