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

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 ((cong tan) OR (cong tac)) 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 ((cong tan) OR (cong tac)) phuong cham~".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu xanh)) - thanh tuong ban nhung ((cong tan) OR (cong tac)) phuong cham*.