Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
phuong cong » phuong dong, phong cong, phung cong
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
thuong cac » thong cac, truong cac, phuong cach
cac phuong » cac truong
cong tan » cong tac, cong san, cong thanh
tan chan » dan chan, ban chan, can chan
chan cao » chan cho, chat cao, chay cao

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)) - thanh thuong cac phuong cong tan chan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - thanh thuong cac phuong cong tan chan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu sang)) - thanh thuong cac phuong cong tan chan cao*.