Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
hanh thuong » khanh thuong, thanh thuong, hang thuong
chieu sach » chinh sach, chieu sang, chieu xanh
mai nhung » mai hung, ai nhung, ma nhung
tuong dan » huong dan, tung dan, xuong dan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) OR (chiet tach)) - hanh thuong mai nhung tuong dan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chiet tach)) - hanh thuong mai nhung tuong dan ((toan tap) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chiet tach)) - hanh thuong mai nhung tuong dan ((toan tap) or (toan ban))*".