Perhaps you should try some spelling variations:
trinh hieu » trinh dieu, trinh thiet, trinh nhiet
chuc nguoi » thuc nguoi, chu nguoi, cua nguoi
danh chuc » dinh chuc, danh thuc, canh chuc
vien nhan » dien nhan, vien than, trien nhan
qua danh » qua dan, luan danh, luat danh
viet hoa » viet hoan, viet khoa, viet ha
hoc vien » hoc hien, hoc viet, hoc tieng

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 hieu qua danh chuc nguoi viet hoa hoc vien nhan~.
• Adding a wildcard symbol may retrieve word variants: giao trinh hieu qua danh chuc nguoi viet hoa hoc vien nhan*.