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