Perhaps you should try some spelling variations:
poleznyi » poleznyj, poleznykh, polanyi, polyeznyi, pooleznyi, polleznyi, poseznyi, polyznyi
pol » poly, pool, poll
pole » polye, poole, polle, pose, poly
polle » polyle, poolle, pollle, polled, poller, polley
polele » polyele, poolele, pollele, posele, polyle, polelle, polese, polece
pollen » polylen, poollen, polllen, polledn, pollern, polleyn
polemics » polyemics, poolemics, pollemics, posemics, polymics, polemical
pooly » poorly, pooley, poly

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• Removing quotes may allow a broader search: (((poleznyi or (pol OR pole)) or (((polle or polele) or pollen) or pope)) or (polemics or pooly)).