Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
tranh vat » trinh vat, tranh van, tran van
tong cong » trong cong, cong cong, dung cong
tranh va » tranh van, trang va, trinh va
cong san » cong tac
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac

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 sach) or (chieu sang)) - canh ((tranh vat) OR (tranh va)) tong cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - canh ((tranh vat) OR (tranh va)) tong cong san than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chieu sang)) - canh ((tranh vat) OR (tranh va)) tong cong san than cap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu sang)) - canh ((tranh vat) OR (tranh va)) tong cong san than cap*.