Perhaps you should try some spelling variations:
"hechas las investigacion" » "hechas las investigaciones", "hechas a investigacion", "hechas al investigacion", "brechas las investigacion", "fechas la investigacion", "hechos la investigacion"
"becas la investigacion" » "secas la investigacion", "brechas la investigacion", "beiras la investigacion"
"lucas la investigacion" » "lucan ma investigacion", "lucas el investigacion", "lucas un investigacion"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("becas la investigacion") or ("hechas las investigacion"))) or ("lucas la investigacion"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("becas la investigacion") OR ("hechas las investigacion"))) OR ("lucas la investigacion")).
• Removing quotes may allow a broader search: (((( becas la investigacion ) or ( hechas las investigacion ))) or ( lucas la investigacion )).
• Adding a wildcard symbol may retrieve word variants: (((("becas la investigacion") or ("hechas las investigacion"))) or ("lucas la investigacion"))*.