Perhaps you should try some spelling variations:
"brechas las investigaciones" » "brechas de investigaciones", "brechas la investigaciones", "hechas las investigaciones", "derechos las investigaciones"
"becas la investigacion" » "brechas la investigacion", "beiras la investigacion", "ruecas la investigacion"
"secas la investigacion" » "secas de investigacion", "lucas la 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: (((("becas la investigacion") or ("brechas las investigaciones"))) or ("secas la investigacion"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("becas la investigacion") OR ("brechas las investigaciones"))) OR ("secas la investigacion")).
• Removing quotes may allow a broader search: (((( becas la investigacion ) or ( brechas las investigaciones ))) or ( secas la investigacion )).
• Adding a wildcard symbol may retrieve word variants: (((("becas la investigacion") or ("brechas las investigaciones"))) or ("secas la investigacion"))*.