Perhaps you should try some spelling variations:
polyen » polyene, polyenes, poolyen, polyyen, poleyen
polje » pole, poolje, polyje, poleje
pol » pool, poly, pole
polya » poolya, polyya, poleya
woolle » woollen, woolley, woollet
poolyolen » polyolen, polyole
propylen » propylene, propyl

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 polje) OR (pol OR woolle)) OR ((poolyolen OR propylen) OR post)) OR polya).
• Adding a wildcard symbol may retrieve word variants: ((((polyen or polje) or (pol or woolle)) or ((poolyolen or propylen) or post)) or polya)*.