Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh trung » thanh trung, hanh trang, manh trung
trung cap » truong cao, trung tam
han trong » hanh trong, nhan trong, phan trong
trong van » trong cac
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap
cap han » cap phan, cap can, cap hay

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) or (hieu nganh)) - hanh trung cap han trong van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (hieu nganh)) - hanh trung cap han trong van toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (hieu nganh)) - hanh trung cap han trong van toan cau*.