Perhaps you should try some spelling variations:
nhung cuong » nhung cong, hung cuong, nhung chong
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
luan nhung » luan chung, luan hung, quan nhung
tang luan » dung luan
manh toan » thanh toan, anh tuan, tinh toan
van thanh » ban thanh, van tuan
anh tang » anh bang, anh dang, anh nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sach) OR (chieu sang)) - anh tang luan nhung cuong ((manh toan) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (chieu sang)) - anh tang luan nhung cuong ((manh toan) OR (van thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sach) OR (chieu sang)) - anh tang luan nhung cuong ((manh toan) or (van thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) OR (chieu sang)) - anh tang luan nhung cuong ((manh toan) or (van thanh)) cau*.