Perhaps you should try some spelling variations:
chiet tach » chieu sach
minh tuong » minh tuan, minh quang
tuong cua » truong cua, huong cua, thong cua
dung cong » dung trong
ho chiet » ho chieu, ho thiet, hoc thiet
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 - minh tuong cua ((dung cong) or (thong thong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - minh tuong cua ((dung cong) OR (thong thong)) dan than cau.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - minh tuong cua ((dung cong) or (thong thong)) dan than cau*.