Perhaps you should try some spelling variations:
thanh trinh » hanh trinh, thanh binh, thanh trung
chieu sach » chinh sach, chiet tach, chieu sang
thanh tinh » thanh binh, nhanh tinh, than kinh
chung cong » chong cong, phung cong, chung thong
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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 - ((thanh trinh) OR (thanh tinh)) thi ((chung cong) OR (nhung cong)) dan than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((thanh trinh) OR (thanh tinh)) thi ((chung cong) or (nhung cong)) dan than cap~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((thanh trinh) OR (thanh tinh)) thi ((chung cong) or (nhung cong)) dan than cap*.