Perhaps you should try some spelling variations:
luan trong » quan trong, luat trong, luan tuong
chieu xanh » chieu sach, chieu sang, chieu tinh
cong quang » luong quang, thong quang, duong quang
quang toan » quang tuan, quang tran, quang doan
thieu anh » thien anh, thien danh, thieu nhi
hanh nang » ganh nang, hanh mang, hanh trang
anh nang » ganh nang, anh bang, anh dang
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu anh) OR (chieu xanh)) - ((hanh nang) or (anh nang)) luan trong cong quang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu anh) OR (chieu xanh)) - ((hanh nang) OR (anh nang)) luan trong cong quang toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu anh) OR (chieu xanh)) - ((hanh nang) or (anh nang)) luan trong cong quang toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu anh) OR (chieu xanh)) - ((hanh nang) or (anh nang)) luan trong cong quang toan ban*.