Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
dung phuong » dung thuong, bang phuong, dung chung
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh duong, thanh tung, thanh hung
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan, dung cho
dan toan » van toan, dan than, manh toan
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: ho chieu sach - thanh dung cua ((nhung tuong) or (dung phuong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh dung cua ((nhung tuong) OR (dung phuong)) dan toan cau*.