Perhaps you should try some spelling variations:
"juan de investigacion" » "juan la investigacion"
"lacan a investigacion" » "lacan la investigacion", "lacan e investigacion", "lacan una investigacion", "lacan y investigacion", "bacan a investigacion", "atacan a investigacion"
"lacan ciencia investigacion" » "lacan ciencila investigacion", "lacan ciencie investigacion", "lacan cienciuna investigacion", "nacion ciencia investigacion", "la ciencia investigacion", "akal ciencia investigacion"

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: (((("lacan a investigacion") or ("lacan ciencia investigacion"))) or ("juan de investigacion"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lacan a investigacion") OR ("lacan ciencia investigacion"))) OR ("juan de investigacion")).
• Removing quotes may allow a broader search: (((( lacan a investigacion ) or ( lacan ciencia investigacion ))) or ( juan de investigacion )).
• Adding a wildcard symbol may retrieve word variants: (((("lacan a investigacion") or ("lacan ciencia investigacion"))) or ("juan de investigacion"))*.