Perhaps you should try some spelling variations:
"lacan una investigacion" » "lacan la investigacion", "lacan ciencia investigacion", "lacan clinica investigacion", "sagan una investigacion", "adan una investigacion"
"lujan de investigacion" » "lujan la investigacion", "lujan dla investigacion", "lujan dde investigaciones", "juan de investigacion"
"lacan e investigacion" » "lacan la investigacion", "lacan de investigaciones", "lacan de investigacion", "lacan y investigacion", "lacas en investigacion"

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: (((("lacan e investigacion") OR ("lacan una investigacion"))) OR ("lujan de investigacion"))~.
• Removing quotes may allow a broader search: (((( lacan e investigacion ) or ( lacan una investigacion ))) or ( lujan de investigacion ))~.
• Adding a wildcard symbol may retrieve word variants: (((("lacan e investigacion") or ("lacan una investigacion"))) or ("lujan de investigacion"))*.