Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
hung vuong » hoang vuong
hoc chiet » hoc thiet, hoc nhiet, hoc hien
luat hung » luat chung, luat huong, luan hung
dan than » dan chan, ban than, van than
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chiet tach - hanh trinh luat hung vuong ((dan than) or (van tuan)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chiet tach - hanh trinh luat hung vuong ((dan than) OR (van tuan)) cap.
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - hanh trinh luat hung vuong ((dan than) or (van tuan)) cap*.