Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, chien tranh
thanh doan » thanh toan, thinh doan, thanh loan
doan tuan » doan quan, doanh luan, doan quang
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

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: hoc ((dieu hanh) OR (((thien thanh) OR (hien hanh)))) - thanh doan tuan dung cong tan toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((dieu hanh) or (((thien thanh) OR (hien hanh)))) - thanh doan tuan dung cong tan toan tap~".
• Adding a wildcard symbol may retrieve word variants: hoc ((dieu hanh) or (((thien thanh) OR (hien hanh)))) - thanh doan tuan dung cong tan toan tap*.