Perhaps you should try some spelling variations:
alte » alter, alten, alle
alterx » alterrx, altenrx, allerx, altere, altern, altera
altenrrn » alternrrn, altennrrn, allenrrn
alterna » alterrna, altenrna, allerna, alternate
alternans » alterrnans, altenrnans, allernans, alternatens, alternates, alternate, alternations
allem » alle, allen
vallex » valleix, valley, valles
vallee » valley

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: ( (alte OR allem) OR ( ((vallex OR vallee) OR (alterx OR altenrrn)) OR (alterna OR alternans) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "( (alte or allem) or ( ((vallex or vallee) or (alterx or altenrrn)) or (alterna OR alternans) ))".
• Adding a wildcard symbol may retrieve word variants: ( (alte or allem) or ( ((vallex or vallee) or (alterx or altenrrn)) or (alterna OR alternans) ))*.