Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
luan thong » luan phong, luan tuong, luat thong
thong cong » trong cong, tong cong, thong thong
dong luan » dung luan, tong luan, dong xuan
anh dong » anh huong, anh son
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan
phan cau » phan dau, phan cac, phan tu

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 ((chuc or chu) nang)) - anh dong luan thong cong van phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR ((chuc OR chu) nang)) - anh dong luan thong cong van phan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or ((chuc or chu) nang)) - anh dong luan thong cong van phan cau*.