Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
hang doanh » hanh doanh, nhung doanh, van doanh
theo hieu » theo chieu, thien hieu, thuc hieu
doanh cua » doanh luan
cua khong » hua khong, cua phuong, cua thuong
van phong » van dong, hai phong
van phan » van thanh, luan phan, 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: ((theo hieu) or (theo tieu)) lang - hang doanh cua khong cong ((van phan) OR (van phong)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo hieu) OR (theo tieu)) lang - hang doanh cua khong cong ((van phan) OR (van phong)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo hieu) or (theo tieu)) lang - hang doanh cua khong cong ((van phan) OR (van phong)) tap".
• Adding a wildcard symbol may retrieve word variants: ((theo hieu) or (theo tieu)) lang - hang doanh cua khong cong ((van phan) OR (van phong)) tap*.