Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
thanh tung » thanh cong
dang cong » dung cong
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac
tung ha » trung ha, dung ha, tung ho
ha dang » hai dang, ha dong, ha tang

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)) - thanh tung ha dang cong dan ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - thanh tung ha dang cong dan ((than cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu sang)) - thanh tung ha dang cong dan ((than cau) or (than cap))*.