Perhaps you should try some spelling variations:
phuong trong » thuong trong, huong trong, phong trong
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sach » chinh sach, chieu sang, chieu xanh
cua phuong » cuu phuong, cuc phuong, luan phuong
tuong cua » truong cua, huong cua, thong cua
trong van » trong cac
van toan » van tuan, van tan, van thanh
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: hoc ((chieu sach) or (chiet tach)) - thanh tuong cua phuong trong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (chiet tach)) - thanh tuong cua phuong trong van toan ban*.