Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dang » cua cong, cua ban
cong tac » cong ty
tren ban » trien ban, trong ban, tren mang
tren san » trien san, trinh san, trong san

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 - ((thanh trung) or (thanh tung)) cua dang cong tac ((tren ban) or (tren san))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((thanh trung) OR (thanh tung)) cua dang cong tac ((tren ban) OR (tren san)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((thanh trung) or (thanh tung)) cua dang cong tac ((tren ban) or (tren san))*.