Perhaps you should try some spelling variations:
entr » entre, entro, ent
entry » entrey, entroy, enty
entra » entrea, entroa, enta, entre, extra, intra
entroa » entreoa, entrooa, entoa, entrou, entropia, entronca
entrea » entreea, entroea, entea, entrega, entreat, entrena
entrooepre » entreooepre, entroooepre, entooepre, entrepre
entroyye » entreoyye, entrooyye, entoyye, entropie
entropy » entreopy, entroopy, entopy

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 entry) OR ((entra OR entroa) OR entrea)) OR (entrooepre OR (entroyye OR entropy)))('act OR 'acts).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((entr or entry) or ((entra OR entroa) or entrea)) or (entrooepre or (entroyye or entropy)))('act or 'acts)".
• Adding a wildcard symbol may retrieve word variants: (((entr or entry) or ((entra OR entroa) or entrea)) or (entrooepre or (entroyye or entropy)))('act or 'acts)*.