Perhaps you should try some spelling variations:
"lacan ma investigacion" » "lacan a investigacion", "lacan una investigacion", "lacan iap investigacion", "lacan y investigacion", "bacan a investigacion", "galan ma investigacion"
"lucan ma investigacion" » "lucan a investigacion", "lucan una investigacion", "lucan iap investigacion"
"duran la investigacion" » "durant la investigacion", "durante la investigacion", "duran y 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 ma investigacion") OR ("lucan ma investigacion"))) OR ("duran la investigacion"))~.
• Removing quotes may allow a broader search: (((( lacan ma investigacion ) or ( lucan ma investigacion ))) or ( duran la investigacion ))~.
• Adding a wildcard symbol may retrieve word variants: (((("lacan ma investigacion") or ("lucan ma investigacion"))) or ("duran la investigacion"))*.