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
van thanh » ban thanh, van tuan
hoc dieu » hoc hien
dan toan » van toan, dan than, manh toan

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 toan) OR (van thanh)) cao~.
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc thieu)) tinh - thanh tuong cua cong nong ((dan toan) or (van thanh)) cao*.