Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh tram » hanh tam, thanh tran, thanh tra
dung cong » dung trong
cong nang » cong ngang, cong lang, cong nong
van dung » van dong, xay dung, tin dung
bang cau » hang cau, bang cac, nang cao
ban cau » ban can, van cau, ban dau

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 tram) or (hanh trang)) van dung cong nang ((ban cau) or (bang cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - ((hanh tram) OR (hanh trang)) van dung cong nang ((ban cau) OR (bang cau)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - ((hanh tram) or (hanh trang)) van dung cong nang ((ban cau) or (bang cau))*.