Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trinh quan » tinh quang, trinh luat
nhung cong » dung cong, thong cong, hang cong
dan thanh » dang thanh, danh thanh, ban thanh
thanh lap » thanh san, phan lap, thanh hai
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh ((trinh quan) OR (trinh han)) nhung cong dan thanh lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((trinh quan) OR (trinh han)) nhung cong dan thanh lap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((trinh quan) OR (trinh han)) nhung cong dan thanh lap*.