Perhaps you should try some spelling variations:
poleznyi » poleznyj, poleznykh, bolezni, pooleznyi, polyeznyi, poleeznyi
polanyi » poolanyi, polyanyi, poleanyi
pol » pool, poly, pole
poleyis » pooleyis, polyeyis, poleeyis, poleis, polemis, polemics
poolle » poole, poolla, woolle
pooleyis » pooley, dooleys
pooly » poorly, pooley, pool

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: ((((poleznyi OR polanyi) OR pol) OR (poolle OR pope)) OR ((poleyis OR pooleyis) OR pooly)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((poleznyi OR polanyi) or pol) or (poolle or pope)) or ((poleyis or pooleyis) or pooly))".
• Adding a wildcard symbol may retrieve word variants: ((((poleznyi OR polanyi) or pol) or (poolle or pope)) or ((poleyis or pooleyis) or pooly))*.