Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
tang luan » dung luan
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, thong cua
dan phan » doan phan, van phan, dam phan
dan chan » dan gian, dan ca, van chat

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((tang cua) OR (tang luan)) nhung cong ((dan phan) OR (dan chan)) tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((tang cua) or (tang luan)) nhung cong ((dan phan) OR (dan chan)) tu~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((tang cua) or (tang luan)) nhung cong ((dan phan) OR (dan chan)) tu*.