Perhaps you should try some spelling variations:
polyen » polyene, polyenes, poolyen, polyyen, pollyen
pole » pope, pose, poly, poole, polye, polle
poole » pooled, pools
pol » pool, poly, poll
polyolen » poolyolen, polyyolen, pollyolen, polyole, polyosen, polyolefin
poolle » poolla, woolle
poseylen » poseen, poseben, posegle
poolya » pooya, pooly, poorya

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: ((((polyen OR (pole OR poole)) OR (pol OR poolle)) OR ((polyolen OR poseylen) OR post)) OR poolya).
• Adding a wildcard symbol may retrieve word variants: ((((polyen or (pole or poole)) or (pol or poolle)) or ((polyolen or poseylen) or post)) or poolya)*.