Perhaps you should try some spelling variations:
entr » entry, entre, entra
entroe » entryoe, entreoe, entraoe, entrou
entropie » entryopie, entreopie, entraopie, entropy
entrare » entryare, entreare, entraare, entrar, entrance, entraine

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (entr OR ((entroe OR entropie) OR entrare))('act OR 'acute ).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(entr or ((entroe OR entropie) or entrare))('act or 'acute )".
• Adding a wildcard symbol may retrieve word variants: (entr or ((entroe OR entropie) or entrare))('act or 'acute )*.