Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
toan thuc » toan hoc, dan thuc, nhan thuc
thuc hang » thuc hanh, thu hang, phuc hang
hang cong » dang cong, hang nong, bang cong
cong tuan » cong tan, cong luan, cong thanh
tuan phan » luan phan, toan phan, tuan 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 ((chieu xanh) or (chinh sach)) - tinh toan thuc hang cong tuan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chinh sach)) - tinh toan thuc hang cong tuan phan cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chinh sach)) - tinh toan thuc hang cong tuan phan cac*.