Perhaps you should try some spelling variations:
chiet tach » chieu sach
dang trung » dung trung, dong trung, quang trung
dung cong » dung trong
ho chiet » ho chieu, ho thiet, hoc thiet
dap dung » ap dung, dan dung, dap ung
cong san » cong tac
toan cau » toan cao, toan ban, toan tai
toan tap » toan 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 - ((dang trung) or (canh tranh)) dap dung cong san ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - ((dang trung) OR (canh tranh)) dap dung cong san ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - ((dang trung) or (canh tranh)) dap dung cong san ((toan cau) or (toan tap))*.