Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
nhieu tang » chieu sang, hieu lang, nhiet nang
doc nhieu » doc hieu, toc thieu, hoc thieu
hanh luan » khanh luan, hang luan, hanh luat
van dung » van dong, xay dung, tin dung
van nhan » van phan, van thanh, danh nhan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc nhieu tang - hanh luan van dung phuong hoang ((van nhan) or (quang nam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc nhieu tang - hanh luan van dung phuong hoang ((van nhan) OR (quang nam)).
• Adding a wildcard symbol may retrieve word variants: doc nhieu tang - hanh luan van dung phuong hoang ((van nhan) or (quang nam))*.