Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua
dung cong » dung trong
manh cua » doanh cua, ban cua
cong tac » cong ty
chat cau » chat cam, chat cao, chat va
chat bao » chat ban, thuat bao, nhat ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - canh ((tranh cua) or (manh cua)) dung cong tac ((chat cau) or (chat bao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh ((tranh cua) OR (manh cua)) dung cong tac ((chat cau) OR (chat bao)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh ((tranh cua) or (manh cua)) dung cong tac ((chat cau) or (chat bao))*.