Perhaps you should try some spelling variations:
polyen » polyene, polyenes, polyyen, poolyen, poleyen
pol » poly, pool, pole
polele » polyele, poolele, poleele, polelle, polese, polece
polylen » polyylen, poolylen, poleylen, polyolen, polyle, polyblend
polyeylen » polyyeylen, poolyeylen, poleyeylen, polyethylen, polyetylene, polyenen
poles » polyes, pooles, polees, roles, poses, holes

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 (pol OR polele)) OR ((polylen OR polyeylen) OR post)) OR poles).
• Adding a wildcard symbol may retrieve word variants: (((polyen or (pol or polele)) or ((polylen or polyeylen) or post)) or poles)*.