Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
hoc thieu » toc thieu
tuong cua » truong cua, huong cua, thong cua
dang nong » dang cong, hang nong, tang nong
cua dang » cua cong, cua ban
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hien) or (hoc thieu)) tinh - thanh tuong cua dang nong ((dan toan) or (van toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (hoc thieu)) tinh - thanh tuong cua dang nong ((dan toan) OR (van toan)) cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (hoc thieu)) tinh - thanh tuong cua dang nong ((dan toan) or (van toan)) cao*.