Perhaps you should try some spelling variations:
trinh nhiet » trinh thiet, trinh nghien, trinh viet
nhiet qua » nhiet cua, hieu qua, khien qua
tiet chat » tiet nhat, tinh chat, biet nhat
qua danh » qua dan, luan danh, luat danh
chat hoc » chat hoa, chat thom, cho hoc
hien anh » hien hanh, thien anh, dien anh

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 nhiet qua danh ((cho nguoi) or (cua nguoi)) tiet chat hoc hien anh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: giao trinh nhiet qua danh ((cho nguoi) OR (cua nguoi)) tiet chat hoc hien anh.
• Adding a wildcard symbol may retrieve word variants: giao trinh nhiet qua danh ((cho nguoi) or (cua nguoi)) tiet chat hoc hien anh*.