Perhaps you should try some spelling variations:
vers » verso, verse, versa
versus » versous, verseus, versaus, versos
verseo » versoeo, verseeo, versaeo, verso, verse, versao
persa » persas, perla, versa
veryos » verbos, verlos, veros
very » ver
vera » era, vega, ver
veron » peron

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "Russian (((vers OR persa) OR (veryos OR versus)) OR ((very OR vera) OR (verseo OR veron)))~".
• Adding a wildcard symbol may retrieve word variants: Russian (((vers OR persa) OR (veryos OR versus)) OR ((very OR vera) OR (verseo OR veron)))*.