Perhaps you should try some spelling variations:
nhung thoi » nhung thi, phung thi, nhung loi
trong quan » thong quan, tong quan, thong quang
bien tran » bien tram, bien trong, hien trang
trong san » trong cac, cong san, dong san
thoi lan » thi lan, thoi gian, thon lang
trong ca » trong cac, trong nha
lan van » luan van, lang van, tan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: nhung thoi lan van. bien tran ((((trong ca) or (trong san))) or (trong quan)) thanh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nhung thoi lan van. bien tran ((((trong ca) OR (trong san))) OR (trong quan)) thanh.
• Adding a wildcard symbol may retrieve word variants: nhung thoi lan van. bien tran ((((trong ca) or (trong san))) or (trong quan)) thanh*.