Perhaps you should try some spelling variations:
nhung trong » hung trong, nhung tuong, thuong trong
chieu sang » chieu sach, chieu xanh, hieu lang
trong sinh » trong kinh, trong san
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua nhung » va nhung
sinh toan » tinh toan, hinh toan, minh toan
tinh cua » trinh cua, sinh cua, tinh chat
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chinh sach) or (chieu sang)) - hanh tinh cua nhung trong sinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chinh sach) OR (chieu sang)) - hanh tinh cua nhung trong sinh toan tap.
• Adding a wildcard symbol may retrieve word variants: ho ((chinh sach) or (chieu sang)) - hanh tinh cua nhung trong sinh toan tap*.