Perhaps you should try some spelling variations:
"lucan ma investigacion" » "lucan la investigacion", "lucan una investigacion", "lucan iap investigacion", "lucan mla investigacion", "lucan me investigacion", "lucan muna investigacion"
"lujan de investigacion" » "lujan la investigacion", "juan de investigacion"
"bacan a investigacion" » "bacan la investigacion", "bacan e investigacion", "bacan una investigacion", "bazan a investigacion", "atacan a 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: (("bacan a investigacion") OR ((("lucan ma investigacion") OR ("lujan de investigacion"))))~.
• Removing quotes may allow a broader search: (( bacan a investigacion ) or ((( lucan ma investigacion ) or ( lujan de investigacion ))))~.
• Adding a wildcard symbol may retrieve word variants: (("bacan a investigacion") or ((("lucan ma investigacion") or ("lujan de investigacion"))))*.