Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
hoc thieu » toc thieu, hoc hien
anh trong » anh thuong, dinh trong, lang trong
trong qua » trong quan, thong qua, trong nha
qua nhung » quan nhung, cua nhung, qua chung
ho chieu » theo chieu, doi chieu, mot chieu
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - anh trong qua nhung phuong ((dan toan) OR (van toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sach - anh trong qua nhung phuong ((dan toan) or (van toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) sach - anh trong qua nhung phuong ((dan toan) or (van toan)) cau*.