Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
dong luan » dung luan, tong luan, dong xuan
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
toan tap » toan ban
ha dong » hoat dong, van dong

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 (chieu sang)) - ha dong luan chung cong hach toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chieu sang)) - ha dong luan chung cong hach toan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chieu sang)) - ha dong luan chung cong hach toan tap*.