Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
hanh doanh » hang doanh, chinh doanh, doanh doanh
cua thuong » cua truong, cua phuong, ca thuong
doanh cua » doanh luan
thong van » thong va, thong quan, truong van
trong van » trong cac
thanh tap » thanh lap, thanh tai, thanh tay

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) OR (chieu sang)) - hanh doanh cua thuong ((thong van) or (trong van)) thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - hanh doanh cua thuong ((thong van) OR (trong van)) thanh tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chieu sang)) - hanh doanh cua thuong ((thong van) or (trong van)) thanh tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chieu sang)) - hanh doanh cua thuong ((thong van) or (trong van)) thanh tap*.