Perhaps you should try some spelling variations:
dung cuong » dung cong, dung luong, dang cuong
chieu sang » chieu sach, chieu xanh, hieu lang
cuong than » cung than, muong thanh, luong thanh
thien anh » thien danh, tien anh, thien thanh
toan thuc » toan hoc, dan thuc, nhan thuc
thuc dung » thuoc dung, thuy dung, tuc dung
than phan » thanh phan, toan phan, thanh pham
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien anh) or (chieu sang)) - tinh toan thuc dung cuong than phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (chieu sang)) - tinh toan thuc dung cuong than phan cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (chieu sang)) - tinh toan thuc dung cuong than phan cac*.