Perhaps you should try some spelling variations:
thien chinh » tien thinh, thien chien, thi chinh
chinh doanh » kinh doanh
khong cong » thong cong, khong cang, chong cong
doanh cua » doanh luan
cua khong » hua khong, cua phuong, cua thuong
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: thien chinh sach - chinh doanh cua khong cong tan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thien chinh sach - chinh doanh cua khong cong tan ((toan cao) OR (toan ban))*.