Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
trung ca » trung cap, truong ca, trung cua
ca trong » cay trong, cad trong, co trong
cong tac » cong ty
than cau » toan cau, thanh chau, thanh mau
than cap » khan cap, thanh lap, thanh cac
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: hoc chieu sach - thanh trung ca trong cong tac ((((than cau) or (than cap))) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - thanh trung ca trong cong tac ((((than cau) OR (than cap))) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - thanh trung ca trong cong tac ((((than cau) or (than cap))) or (phan cau))*.