Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
lieu tinh » trieu tinh, diep tinh, bien tinh
chua dong » ha dong, huy dong, hoa dong
cua dong » cua cong, cua dang, cua nong
cong san » cong tac
san ran » san van, san roman, van ranh
ran cau » van cau, ban cau, can cau

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 (lieu tinh)) - thanh tung ((cua dong) or (chua dong)) cong san ran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (lieu tinh)) - thanh tung ((cua dong) OR (chua dong)) cong san ran cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (lieu tinh)) - thanh tung ((cua dong) or (chua dong)) cong san ran cau*.