Perhaps you should try some spelling variations:
phong tuong » phong trong, thong thuong, thong thong
thanh luan » tranh luan, thanh xuan, thanh tuan
doi chieu » doc hieu, doi chi, mot chieu
van phong » van dong, hai phong
tuong tam » tuong tham, tuong tac, duong tam
tam than » ban than
than van » thanh van, tran van, phan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) sang - thanh luan van phong tuong tam than van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sang - thanh luan van phong tuong tam than van.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) sang - thanh luan van phong tuong tam than van*.