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