Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
hanh luan » khanh luan, hang luan, hanh luat
van thong » van thuong, van phong, va thong
cong anh » cong danh, dong anh, hong anh
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((nhieu tang) or (chieu sach)) - hanh luan van thong cong anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((nhieu tang) OR (chieu sach)) - hanh luan van thong cong anh tuan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((nhieu tang) or (chieu sach)) - hanh luan van thong cong anh tuan cau*.