Perhaps you should try some spelling variations:
adicciones sin » adicciones a
cambio modelo » como modelo, cambio del, cambio todo
condicion de » condiciones de
caso pedroso » caso pedro
pedroso luis » pedro luis, amoroso luis, barroso luis
sin cambio » un cambio, en cambio, vii cambio

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( condicion de caso pedroso luis a ; ) or ( adicciones sin cambio modelo de paz ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( condicion de caso pedroso luis a ; ) OR ( adicciones sin cambio modelo de paz ; )).
• Adding a wildcard symbol may retrieve word variants: (( condicion de caso pedroso luis a ; ) or ( adicciones sin cambio modelo de paz ; ))*.