Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
hoc thieu » toc thieu, hoc hien
tuong cua » truong cua, huong cua, thong cua
cong nong » cong dong, cong cong, cong trong
hoc dieu » hoc hien
dan than » dan chan, ban than, van than
van toan » van tuan, van tan, van thanh

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc thieu)) tinh - thanh tuong cua cong nong ((dan than) OR (van toan)) cao~.
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc thieu)) tinh - thanh tuong cua cong nong ((dan than) or (van toan)) cao*.