Perhaps you should try some spelling variations:
"brechas una investigacion" » "brechas e investigacion", "brechas ciencia investigacion", "brechas clinica investigacion", "brechas en investigacion", "brechas la investigacion", "derechos una investigacion"
"brechas de investigacion" » "brechas del investigacion", "brecha de investigacion", "brechas y investigacion"
"becas la investigacion" » "secas la investigacion", "brechas la investigacion", "beiras la 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 ((("brechas una investigacion") OR ("brechas de investigacion"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("becas la investigacion") OR ((("brechas una investigacion") OR ("brechas de investigacion")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"becas la investigacion\") or (((\"brechas una investigacion\") OR (\"brechas de investigacion\"))))".
• Removing quotes may allow a broader search: (( becas la investigacion ) or ((( brechas una investigacion ) OR ( brechas de investigacion )))).
• Adding a wildcard symbol may retrieve word variants: (("becas la investigacion") or ((("brechas una investigacion") OR ("brechas de investigacion"))))*.