Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung luan » truong luan, trung tuan, trung quan
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
chu sach » thu sach, chieu sach, chuc hach
cau sach » cao sach, hau sach, rau sach
cong san » cong tac
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu sach) or (cau sach)) - thanh trung luan chung cong san ((than cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sach) OR (cau sach)) - thanh trung luan chung cong san ((than cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu sach) or (cau sach)) - thanh trung luan chung cong san ((than cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: theo ((chu sach) or (cau sach)) - thanh trung luan chung cong san ((than cau) OR (phan cau))*.