Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
minh nhan » minh thanh, minh chanh, minh thang
nhan thuc » nhan luc, dan thuc, toan thuc
thuc dung » thuoc dung, thuy dung, tuc dung
dung cong » dung trong
cong than » cong thanh, cong thang, cong tan
phan cac » phan dau, phan lap, phan van

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 xanh) or (chieu sang)) - minh nhan thuc dung cong than ((phan cac) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sang)) - minh nhan thuc dung cong than ((phan cac) OR (nhan cach)).
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sang)) - minh nhan thuc dung cong than ((phan cac) or (nhan cach))*.