Perhaps you should try some spelling variations:
calero javier » alvaro javier
edicion del » medicion del, edicion de, medicion de
power john » powell john, por john
del calero » del clero, del calderon, del cartero
john paul » jean paul
javier a » javier e, javier de
a paz » la paz, ma paz, y paz
condiciones » conditions

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( condiciones de gas power john paul ; ) or ( edicion del calero javier a paz ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( condiciones de gas power john paul ; ) OR ( edicion del calero javier a paz ; )).
• Adding a wildcard symbol may retrieve word variants: (( condiciones de gas power john paul ; ) or ( edicion del calero javier a paz ; ))*.