Perhaps you should try some spelling variations:
thien dang » thien bang, thien danh, thien nang
thanh tuan » thanh xuan, thanh thanh, anh tuan
thanh toan » thanh hoa, thanh san
hien hanh » dieu hanh
tuan tuan » tran tuan, than tuan, xuan tuan
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien dang) or (hien hanh)) - thanh tuan tuan dung cong ((thanh toan) OR (tinh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien dang) OR (hien hanh)) - thanh tuan tuan dung cong ((thanh toan) OR (tinh toan)) cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien dang) or (hien hanh)) - thanh tuan tuan dung cong ((thanh toan) OR (tinh toan)) cao*".