Perhaps you should try some spelling variations:
stieng thinh » tien thinh, trong thinh
thanh trung » thanh tung
toc stieng » hoc tieng, doc tieng
dung thang » hung thang, cung thang, dung thuong
phuc toan » phuc thanh, duc toan, phap toan
phap luan » phap luat, phap hoan
tam dung » tam duong, tac dung, tan dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc stieng thinh - thanh trung tam dung thang ((phuc toan) or (phap luan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc stieng thinh - thanh trung tam dung thang ((phuc toan) OR (phap luan)) cao.
• Adding a wildcard symbol may retrieve word variants: toc stieng thinh - thanh trung tam dung thang ((phuc toan) or (phap luan)) cao*.