Perhaps you should try some spelling variations:
khong hanh » khong thanh, hong hanh, phong thanh
canh tran » canh tranh, hanh trang, banh trang
tran tuan » tran xuan, tran quang, tran thanh
tuan dung » tuan duong, tran dung, tan dung
khong anh » khuong anh, hong anh, khong thanh
hoi hieu » hoi phieu, hoi tieu, moi hieu
nhan cau » nhanh cau, phan cau, nhan sau
ho hieu » ho chieu, nho hieu, co hieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho hieu) or (hoi hieu)) lang - canh tran tuan dung ((khong anh) or (khong hanh)) nhan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho hieu) OR (hoi hieu)) lang - canh tran tuan dung ((khong anh) OR (khong hanh)) nhan cau*.