Perhaps you should try some spelling variations:
entr » entry, entre, entro
entra » entrya, entrea, entroa, entry, entre, extra
entrega » entryega, entreega, entroega
entropy » entryopy, entreopy, entroopy
entroee » entryoee, entreoee, entrooee, entropie
entryoe » entryyoe, entreyoe, entroyoe

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 entra) OR entrega) OR ((entropy OR entroee) OR entryoe))('act" or 'acute").
• Removing quotes may allow a broader search: (((entr or entra) or entrega) or ((entropy or entroee) or entryoe))('act or 'acute ).
• Adding a wildcard symbol may retrieve word variants: "(((entr or entra) or entrega) or ((entropy or entroee) or entryoe))('act" or 'acute")*.