Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
hanh mang » nhanh mang, hanh trang, nhanh lang
doc hieu » toc thieu, hoc thieu, hoc hien
ho chieu » theo chieu, hoc thieu, doi chieu
than cau » toan cau, phan cau, than cap
toan ban » van ban
mang va » mang vua, hang va, bang va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (ho chieu)) xanh - hanh mang va nhung huong dan ((than cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (ho chieu)) xanh - hanh mang va nhung huong dan ((than cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (ho chieu)) xanh - hanh mang va nhung huong dan ((than cau) or (toan ban))*.