Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cap » trung tam
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
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 - hanh ((trung cap) OR (truong cao)) trong cong tan phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh ((trung cap) OR (truong cao)) trong cong tan phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((trung cap) OR (truong cao)) trong cong tan phan cau*.