Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh tung » thanh cong
cong trong » cong thuong, duong trong, cong trinh
chau tinh » cuu tinh, ha tinh, cua tinh
trong bai » trong ban, thong bai, trong hai
tung cua » trung cua, tuong cua, dung cua
bai van » bui van, hai van, mai van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chiet tach) or (chau tinh)) - thanh tung cua cong trong bai van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chau tinh)) - thanh tung cua cong trong bai van ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chau tinh)) - thanh tung cua cong trong bai van ban*.