Perhaps you should try some spelling variations:
chiet tach » chieu sach
luan nhung » luan chung, luan hung, quan nhung
hanh dung » thanh dung, anh dung, hanh dong
tuong tap » tuong tac, cuong tap, luong tap
ho chiet » ho chieu, ho thiet, hoc thiet
tong tap » tuong tac, trong tan, cong tac
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: ho chiet tach - hanh dung luan nhung ((tuong tap) OR (tong tap)) ((luan van) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh dung luan nhung ((tuong tap) OR (tong tap)) ((luan van) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - hanh dung luan nhung ((tuong tap) OR (tong tap)) ((luan van) or (toan ban))*".