Perhaps you should try some spelling variations:
casas » masas, casos, casa
arbos » arbios, ambos, arbol
varbo » verbo, arbo, carbo
erbo » verbo, erb, arbo
verb » verbo, ver, erb
very » ver
vera » era, vega, ver
vero » veron, verbo, verlo
verso » versos

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

• Performing a fuzzy search may retrieve terms with similar spellings: Russian ((casas OR (arbos OR (varbo OR erbo))) OR (((verb OR very) OR vera) OR (vero OR verso)))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Russian ((casas OR (arbos OR (varbo OR erbo))) OR (((verb OR very) OR vera) OR (vero OR verso)))".
• Adding a wildcard symbol may retrieve word variants: Russian ((casas OR (arbos OR (varbo OR erbo))) OR (((verb OR very) OR vera) OR (vero OR verso)))*.