Perhaps you should try some spelling variations:
phuong luong » thuong luong, phuong duong, phuong dung
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tran » thanh trang, thanh toan, thanh tra
van phuong » van phong, va phuong, van chuong
luong dao » duong dao, truong dao, luong giao
ho chieu » theo chieu, hoc thieu, doi chieu
tran van » luan van
than cap » khan cap, thanh lap, thanh cac
khan ap » khan cap, han ap, khan dam

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: ho chieu xanh - thanh tran van phuong luong dao ((khan ap) OR (than cap))~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh tran van phuong luong dao ((khan ap) or (than cap))*.