Perhaps you should try some spelling variations:
polyenen » polyenes, polyene, polyinen, poolyenen, polyyenen, poleyenen
polecen » poolecen, polyecen, poleecen
pol » pool, poly, pole
polyynes » poolyynes, polyyynes, poleyynes, polyenes, polylines
polyle » poolyle, polyyle, poleyle, polyline, polylead
poodles » noodles, doodles, poodle
doodle » moodle

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: ((((polecen OR polyenen) OR (pol OR polyynes)) OR (polyle OR post)) OR (poodles OR doodle)).
• Adding a wildcard symbol may retrieve word variants: ((((polecen or polyenen) or (pol or polyynes)) or (polyle or post)) or (poodles or doodle))*.