Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
hanh doanh » hang doanh, chinh doanh, doanh doanh
khong cong » thong cong, khong cang, chong cong
lieu tinh » trieu tinh, diep tinh, bien tinh
doanh cua » doanh luan
cua khong » hua khong, cua phuong, cua thuong
cong tan » cong tac, cong san, cong thanh
san cau » ban cau, can cau, ran cau
van cau » van dau, van hau, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu tinh) or (lieu tinh)) - hanh doanh cua khong cong tan ((san cau) OR (van cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (lieu tinh)) - hanh doanh cua khong cong tan ((san cau) OR (van cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu tinh) or (lieu tinh)) - hanh doanh cua khong cong tan ((san cau) OR (van cau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu tinh) or (lieu tinh)) - hanh doanh cua khong cong tan ((san cau) OR (van cau))*.