Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
tran tuan » tran xuan, tran quang, tran thanh
cong vang » cong lang, cong quang, cong ngang
than cau » toan cau, phan cau, thanh chau
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: doi chieu sach - thanh ((trung cua) or (tran tuan)) nhung cong vang ((than cau) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((trung cua) OR (tran tuan)) nhung cong vang ((than cau) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh ((trung cua) or (tran tuan)) nhung cong vang ((than cau) OR (than cap))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((trung cua) or (tran tuan)) nhung cong vang ((than cau) OR (than cap))*.