Perhaps you should try some spelling variations:
pol » poly, pole, poll
polyaeno » polyyaeno, poleyaeno, pollyaeno, polyamino, polyaenus, polyagent
polis » polyis, poleis, pollis, polish, poles, polls
pool » poor
hole » home, hope, holy

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