Perhaps you should try some spelling variations:
chiet tach » chieu sach
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong manh » duong manh, cong thanh, hoang manh
cong danh » cuong danh, cong dan, cong thanh
ho chiet » ho chieu, ho thiet, hoc thiet
toan cao » toan tap
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 - canh tranh cua nhung ((cong manh) OR (cong danh)) ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh tranh cua nhung ((cong manh) OR (cong danh)) ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - canh tranh cua nhung ((cong manh) OR (cong danh)) ((toan cao) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh tranh cua nhung ((cong manh) OR (cong danh)) ((toan cao) or (toan ban))*.