Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhieu tang » chieu sang, hieu lang, nhiet nang
thuc dung » thuoc dung, thuy dung, tuc dung
dung cong » dung trong
cong toan » cong tan, cong hoan, cong tuan
toan phan » thanh phan, toan ban, hoa phan
tinh dan » trinh dan, tinh da, binh dan
dan thuc » dan toc, am thuc
phan dau » phan tu, hang dau

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 (nhieu tang)) - tinh dan thuc dung cong toan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (nhieu tang)) - tinh dan thuc dung cong toan phan dau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (nhieu tang)) - tinh dan thuc dung cong toan phan dau*.