Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
nhung cuong » nhung cong, hung cuong, nhung huong
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tran » hanh trang, thanh tran, hanh tram
danh toan » manh toan, anh toan, dan toan
tran van » luan van
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chieu tinh)) - hanh tran van ((nhung cuong) OR (nhung chong)) danh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu tinh)) - hanh tran van ((nhung cuong) OR (nhung chong)) danh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu tinh)) - hanh tran van ((nhung cuong) OR (nhung chong)) danh toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu tinh)) - hanh tran van ((nhung cuong) OR (nhung chong)) danh toan cau*.