Perhaps you should try some spelling variations:
thuyet trinh » thuyet kinh
nhuong cong » nhung cong, luong cong, duong cong
hoc thuyet » hoc chuyen
khanh luan » khanh thuan, doanh luan, hang luan
van nhuong » van chuong, van phuong, van huong
van toan » van tuan, van tan, van thanh
van chat » cao chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thuyet trinh - khanh luan van nhuong cong ((van toan) or (((dan ca) or (van chat)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thuyet trinh - khanh luan van nhuong cong ((van toan) OR (((dan ca) OR (van chat)))) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thuyet trinh - khanh luan van nhuong cong ((van toan) or (((dan ca) or (van chat)))) cau*.