Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tran » thanh trang, thanh toan, thanh tra
hoc thieu » toc thieu, hoc hien
van nhung » van nhuong, va nhung, van hung
tran van » luan van
cong dan » cong san, cong tan, cong dong
than cap » khan cap, thanh lap, thanh cac
phan cac » nhan cach, phan dau, phan lap

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 thieu xanh - thanh tran van nhung ((cong dan) OR (huong dan)) ((than cap) OR (phan cac))~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tran van nhung ((cong dan) or (huong dan)) ((than cap) or (phan cac))*.