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