Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
hoc thien » hoc hien, hoc thieu, hoc thiet
tang luan » dung luan
tong quan » thong quan, tong luan, luong quan
dong cong » duong cong, dung cong, dang cong
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cap » khan cap, thanh lap, thanh cac

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 thien danh - hanh ((tang luan) OR (tong quan)) dong cong tac than cap~.
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - hanh ((tang luan) or (tong quan)) dong cong tac than cap*.