Perhaps you should try some spelling variations:
"implantacion del cortes" » "implantacion de cortes" (Expand Search), "implementacion del cortes" (Expand Search), "implementacion de cortes" (Expand Search), "implantacion del correo" (Expand Search), "implantacion del corpus" (Expand Search), "implantacion das cortes" (Expand Search)
"imputacion de cortes" » "impugnacion de cortes" (Expand Search), "implantacion de cortes" (Expand Search), "imputacion de corte" (Expand Search)
"imposicion de cortes" » "disposicion de cortes" (Expand Search), "posicion de cortes" (Expand Search), "posicion del cortes" (Expand Search), "imposicion de corte" (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("imputacion de cortes") OR ("implantacion del cortes"))) OR ("imposicion de cortes"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"imputacion de cortes\") OR (\"implantacion del cortes\"))) OR (\"imposicion de cortes\"))".
• Removing quotes may allow a broader search: (((( imputacion de cortes ) OR ( implantacion del cortes ))) OR ( imposicion de cortes )).
• Adding a wildcard symbol may retrieve word variants: (((("imputacion de cortes") OR ("implantacion del cortes"))) OR ("imposicion de cortes"))*.