Perhaps you should try some spelling variations:
entr » entry, entra, ent
entro » entryo, entrao, ento, entry, intro, enero
entre » entrye, entrae, ente, entry
entrae » entryae, entraae, entae, entrare, entrave, entrate

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 entro) OR (entre OR entrae))'acute.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((entr or entro) or (entre OR entrae))'acute".
• Adding a wildcard symbol may retrieve word variants: ((entr or entro) or (entre OR entrae))'acute*.