Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu quan » hieu qua, lieu quan, thien quan
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
hang cong » dang cong, hang nong, bang cong
cong san » cong tac
san tuan » van tuan, san luan, san quan
tuan cao » toan cao, juan cao, quang cao

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 (hieu quan)) - thanh ((trung cua) OR (trung cap)) hang cong san tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (hieu quan)) - thanh ((trung cua) OR (trung cap)) hang cong san tuan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (hieu quan)) - thanh ((trung cua) OR (trung cap)) hang cong san tuan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (hieu quan)) - thanh ((trung cua) OR (trung cap)) hang cong san tuan cao*.