Perhaps you should try some spelling variations:
trinh thiet » trinh viet, trinh thi
thiet luan » thien luan, thi luan, thien quan
luan dinh » xuan dinh, luan kinh, luan danh
cuu nguoi » cua nguoi, chu nguoi, cuoi nguoi
nguoi von » nguoi vong, nguon von, nguoi van
vien than » vien thanh, dien than, vien nhan
dinh cuu » dinh chi
von khoa » toan khoa
khoa hoc » hoa hoc
dien han » dien phan, dien than, dien ban
dien dan » hien dai, vien dai, gian dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: giao trinh thiet luan dinh cuu nguoi von khoa hoc ((((dien han) or (dien dan))) or (vien than))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: giao trinh thiet luan dinh cuu nguoi von khoa hoc ((((dien han) OR (dien dan))) OR (vien than)).
• Adding a wildcard symbol may retrieve word variants: giao trinh thiet luan dinh cuu nguoi von khoa hoc ((((dien han) or (dien dan))) or (vien than))*.