Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu sach » chinh sach, chiet tach, chieu sang
doanh luan » doanh nhan
toc chieu » toc thieu, doc hieu, hoc thieu
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu sach - doanh ((doanh cua) OR (doanh luan)) phuong cong van toan cao~".
• Adding a wildcard symbol may retrieve word variants: toc chieu sach - doanh ((doanh cua) OR (doanh luan)) phuong cong van toan cao*.