Perhaps you should try some spelling variations:
"becas para investigacion" » "becas para investigaciones", "becas carte investigacion", "becas la 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 ((("becas para investigacion") OR ("basicas para investigacion"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("becas de investigacion") OR ((("becas para investigacion") OR ("basicas para investigacion")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"becas de investigacion\") or (((\"becas para investigacion\") OR (\"basicas para investigacion\"))))".
• Removing quotes may allow a broader search: (( becas de investigacion ) or ((( becas para investigacion ) OR ( basicas para investigacion )))).
• Adding a wildcard symbol may retrieve word variants: (("becas de investigacion") or ((("becas para investigacion") OR ("basicas para investigacion"))))*.