Perhaps you should try some spelling variations:
entr » entry, entra, entro
entre » entrye, entrae, entroe
entroe » entryoe, entraoe, entrooe, entrou, entropie
entrare » entryare, entraare, entroare, entrar, entrance, entraine
entroare » entryoare, entraoare, entrooare, entropie

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 entre) OR (entroe OR (entrare OR entroare)))('act" or 'acute").
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((entr or entre) or (entroe or (entrare OR entroare)))('act\" or 'acute\")".
• Removing quotes may allow a broader search: ((entr or entre) or (entroe or (entrare OR entroare)))('act or 'acute ).
• Adding a wildcard symbol may retrieve word variants: "((entr or entre) or (entroe or (entrare OR entroare)))('act" or 'acute")*.