Perhaps you should try some spelling variations:
luong thanh » muong thanh, truong thanh, dong thanh
nhung luong » hung luong, nhung huong, nhung tuong
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
thanh toan » thanh hoa, thanh san, tinh toan
tranh va » tranh van, trang va, trinh va
toan tap » toan ban

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) OR (dieu hanh)) - hanh tranh va nhung luong thanh toan tap~.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (dieu hanh)) - hanh tranh va nhung luong thanh toan tap*.