Perhaps you should try some spelling variations:
trinh nhiet » trinh thiet, trinh nghien, trinh viet
nhiet luan » nghiep luan, nhiet cua, nhien xuan
luan danh » luan thanh, luan van, luan nang
cho nguoi » cua nguoi
tien duan » tien dua, tien quang, dien dan
tien huan » hien huan, tieu chuan, hien thuan
anh hoc » benh hoc, hinh hoc, anh khoa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: giao trinh nhiet luan danh cho nguoi viet ((anh hoc) OR (sinh hoc)) ((tien duan) OR (tien huan))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "giao trinh nhiet luan danh cho nguoi viet ((anh hoc) or (sinh hoc)) ((tien duan) OR (tien huan))~".
• Adding a wildcard symbol may retrieve word variants: giao trinh nhiet luan danh cho nguoi viet ((anh hoc) or (sinh hoc)) ((tien duan) OR (tien huan))*.