Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
phuong cham » phuong phap, phuong thao
chieu xanh » chieu sach, chieu sang, chieu tinh
ban phuong » bang phuong, ban huong, van phuong
tan phuong » tran phuong, tai phuong, van phuong
hieu manh » hieu nganh, dieu hanh, hien hanh
ban nhung » san nhung, gian nhung, bang chung
cong tan » cong tac, cong san, cong thanh

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 ((hieu manh) OR (chieu xanh)) - thanh tuong ((ban nhung) OR (ban phuong)) cong tan phuong cham~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (chieu xanh)) - thanh tuong ((ban nhung) OR (ban phuong)) cong tan phuong cham~".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu xanh)) - thanh tuong ((ban nhung) OR (ban phuong)) cong tan phuong cham*.