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