Perhaps you should try some spelling variations:
phuong thong » phuong trong, thong thong, phuong hoang
nhieu tang » chieu sang, hieu lang, nhiet nang
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh duong, thanh tung, thanh hung
cuc phuong » cac phuong, cuu phuong, cua phuong
thong den » thong dien, thong dan, tuong den
dung cuc » dung cua, dung cu, dung cac
den toan » dien toan, dan toan, den tran
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) OR (chieu sach)) - thanh dung cuc phuong thong den toan cao~.
• Adding a wildcard symbol may retrieve word variants: doi ((nhieu tang) or (chieu sach)) - thanh dung cuc phuong thong den toan cao*.