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 thinh » duc thinh
trung tan » trung tuan, trung tran, trung tang
phap toan » phap hoan, phap luan, phap phan
tan dung » tran dung, tin dung, van 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 tan dung thang ((phuc thinh) or (phap toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc stieng thinh - thanh trung tan dung thang ((phuc thinh) OR (phap toan)) cao.
• Adding a wildcard symbol may retrieve word variants: toc stieng thinh - thanh trung tan dung thang ((phuc thinh) or (phap toan)) cao*.