Perhaps you should try some spelling variations:
"borras arte investigacion" » "borras carte investigacion", "borras arte investigaciones", "borras caribe investigacion"
"beiras mas investigacion" » "beiras a investigacion", "beiras al investigacion", "beiras iap investigacion", "beiras la investigacion", "beiras notas 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 ((("beiras mas investigacion") or ("borras arte investigacion"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("becas la investigacion") OR ((("beiras mas investigacion") OR ("borras arte investigacion")))).
• Removing quotes may allow a broader search: (( becas la investigacion ) or ((( beiras mas investigacion ) or ( borras arte investigacion )))).
• Adding a wildcard symbol may retrieve word variants: (("becas la investigacion") or ((("beiras mas investigacion") or ("borras arte investigacion"))))*.