Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
lan hung » van hung, luan chung, lan phuong
dan dung » van dung, tin dung, ap dung
phan cac » nhan cach, phan dau, phan lap

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 (chieu sach)) - hanh doanh ((lan hung) or (dan dung)) cong thanh phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu sach)) - hanh doanh ((lan hung) OR (dan dung)) cong thanh phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu sach)) - hanh doanh ((lan hung) or (dan dung)) cong thanh phan cac".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (chieu sach)) - hanh doanh ((lan hung) or (dan dung)) cong thanh phan cac*.