Perhaps you should try some spelling variations:
phung cong » nhung cong, phong cong, nhung chong
hoc quyet » hoc quyen, hoc thuyet, hoc quy
hanh luan » khanh luan, hang luan, hanh luat
van phung » van phong, van hung, van chuong
dan toan » van toan, dan than, manh toan
dan chan » dan gian, dan ca, van 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 quyet thanh - hanh luan van phung cong ((dan toan) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc quyet thanh - hanh luan van phung cong ((dan toan) OR (dan chan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc quyet thanh - hanh luan van phung cong ((dan toan) or (dan chan)) cau*.