Perhaps you should try some spelling variations:
pol » poly, pole, poll
poleis » polyeis, poleeis, polleis, polens, paleis, polemics
apolloni » apolyloni, apoleloni, apollloni, apollonius, apollonian, apollo, apolloi
apollon » apolylon, apolelon, apolllon, apollo
pool » poor
vooris » voorhis, voors, voorhies

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: ((pol OR pool) OR ((vooris OR poleis) OR (apolloni OR apollon))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((pol or pool) or ((vooris or poleis) or (apolloni OR apollon)))".
• Adding a wildcard symbol may retrieve word variants: ((pol or pool) or ((vooris or poleis) or (apolloni OR apollon)))*.