Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh trang, thanh toan, thanh tra
nhung cong » dung cong, thong cong, hang cong
hanh tran » hanh trang, hanh tram, thanh trang
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
san than » sang than, san thanh, ban than
than cao » toan cao, thai cao, than cap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((hanh tran) OR (thanh tran)) va nhung cong san than cao~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh tran) OR (thanh tran)) va nhung cong san than cao*.