Perhaps you should try some spelling variations:
mot chieu » doi chieu, ho chieu
hanh mang » nhanh mang, hanh trang, nhanh lang
vua nhung » va nhung, cua nhung, qua nhung
doc hieu » toc thieu, hoc thieu, hoc hien
mang vua » mang cua, mang va, hang va
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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: ((mot chieu) or (doc hieu)) sach - hanh mang vua nhung ((cong dan) or (cong tan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doc hieu)) sach - hanh mang vua nhung ((cong dan) OR (cong tan)) phan cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doc hieu)) sach - hanh mang vua nhung ((cong dan) or (cong tan)) phan cau*.