Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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

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