Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
cong thang » cong thanh, cang thang, cong thong
thang phan » thanh phan, thong phan, than phan
minh nhan » minh thanh, minh chanh, minh thang
thuc dung » thuoc dung, tuc dung, thuat dung
thuy dung » thuy duong, thuoc dung, huy duong
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 (chieu sach)) - minh nhan ((thuc dung) OR (thuy dung)) cong thang phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - minh nhan ((thuc dung) OR (thuy dung)) cong thang phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu sach)) - minh nhan ((thuc dung) OR (thuy dung)) cong thang phan cac".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - minh nhan ((thuc dung) OR (thuy dung)) cong thang phan cac*.