Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh than » thanh thanh, thanh thang, thanh toan
trung cua » trung tuan, trung cap, dung cua
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 (chiet tach)) - thanh ((trung cua) or (truong cua)) nhung cong thanh than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - thanh ((trung cua) OR (truong cua)) nhung cong thanh than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chiet tach)) - thanh ((trung cua) or (truong cua)) nhung cong thanh than cap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chiet tach)) - thanh ((trung cua) or (truong cua)) nhung cong thanh than cap*.