Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
hung cuong » hung vuong, hong cuong, hung luong
cuong toan » cong toan, truong toan, cuong quan
thuc hung » thuc chung, thuc nhung, thuc dung
toan phan » thanh phan, toan ban, hoa phan
tinh dan » trinh dan, tinh da, binh dan
dan thuc » dan toc, am thuc
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 ((chieu sang) or (chieu sach)) - tinh dan thuc hung cuong toan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (chieu sach)) - tinh dan thuc hung cuong toan phan cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) or (chieu sach)) - tinh dan thuc hung cuong toan phan cac*.