Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
thanh dung » thanh duong, thanh tung, thanh hung
cua truong » cua trung, xuan truong, cac truong
doi nhieu » doi chieu, doi nhu, doi hien
thong van » trong van, thong va, thong quan
tuong dan » huong dan, tung dan, xuong dan
dung cua » dung luan, dung cho
toan cao » toan ban, toan tap

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: doi nhieu tang - thanh dung cua truong ((thong van) OR (tuong dan)) toan cao~.
• Adding a wildcard symbol may retrieve word variants: doi nhieu tang - thanh dung cua truong ((thong van) or (tuong dan)) toan cao*.