Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cua dung » cua dang, cua dong, qua dung
tan san » tai san, tan van, thanh san
han san » hanh san, hai san, thanh san

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (cuu tinh)) - anh tang cua dung cong ((tan san) OR (han san)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (cuu tinh)) - anh tang cua dung cong ((tan san) OR (han san)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (cuu tinh)) - anh tang cua dung cong ((tan san) OR (han san)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (cuu tinh)) - anh tang cua dung cong ((tan san) OR (han san)) cau*.