Perhaps you should try some spelling variations:
polyyen » polyen, polyynes, polyaeno, poolyyen, polyyyen, pollyyen
polyene » polyenes, polyeder, poolyene, polyyene, pollyene
pole » pose, poly, poole, polye, polle
poleylen » poseylen, polyylen, pooleylen, polyeylen, polleylen, polecen, polelle
pol » pool, poly, poll
poolle » poole, poolla, woolle
poolyolen » polyolen, polyole
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: (((((polyyen OR polyene) OR (pole OR pope)) OR (pol OR poolle)) OR ((poolyolen OR poleylen) OR post)) OR poolya).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((polyyen or polyene) or (pole OR pope)) or (pol or poolle)) or ((poolyolen or poleylen) or post)) or poolya)".
• Adding a wildcard symbol may retrieve word variants: (((((polyyen or polyene) or (pole OR pope)) or (pol or poolle)) or ((poolyolen or poleylen) or post)) or poolya)*.