Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhua phuong » nhu phuong, nhung phuong, thu phuong
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
phuong dan » phuong danh, phuong doan, huong dan
trung cua » truong cua, trung tuan, trung cap
cua nhua » cua nha, cua nhung, cua chu
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu sach) or (chieu tinh)) - thanh trung cua nhua phuong dan ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu sach) OR (chieu tinh)) - thanh trung cua nhua phuong dan ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doc ((chieu sach) or (chieu tinh)) - thanh trung cua nhua phuong dan ((toan tai) or (toan ban))*.