Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu sach » chiet tach, chieu sang, chieu xanh
thanh tung » thanh cong
va phuong » va thuong, cac phuong
cong van » cong vang, cong san, song van
van chat » cao chat
tung va » trung va, tuong va, dung va
chat co » thuat co, chat cua, chat deo

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 (chinh sach)) - thanh tung va phuong cong van chat co~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chinh sach)) - thanh tung va phuong cong van chat co".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chinh sach)) - thanh tung va phuong cong van chat co*.