Perhaps you should try some spelling variations:
nhung phuong » nhu phuong, truong phuong, bang phuong
dung phuong » dung thuong, bang phuong, dung chung
chiet tach » chieu sach
ho chiet » ho chieu, ho thiet, hoc thiet
vay luan » ly luan, bai luan
von luan » tong luan
van tuan » van quan, van ban, anh tuan
tuan cao » toan cao, juan cao, quang cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - canh ((vay luan) or (von luan)) ((nhung phuong) or (dung phuong)) van tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh ((vay luan) OR (von luan)) ((nhung phuong) OR (dung phuong)) van tuan cao.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh ((vay luan) or (von luan)) ((nhung phuong) or (dung phuong)) van tuan cao*.