Perhaps you should try some spelling variations:
entr » entre, entry, entra
entrae » entreae, entryae, entraae, entrare, entrate, entree
entrave » entreave, entryave, entraave, entraver, entraves, entrare
entropie » entreopie, entryopie, entraopie, entropy
entreeoe » entreeeoe, entryeeoe, entraeeoe, entreebre, entree, entrees
entryoe » entreyoe, entryyoe, entrayoe

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