Perhaps you should try some spelling variations:
"vieira en investigacion" » "vieira e investigacion", "vieira de investigacion", "vieira ciencia investigacion", "vieira el investigacion", "vieira ana investigacion"
"beiras la investigacion" » "beira la investigacion", "beiras ana investigacion", "beiras mas investigacion"
"vieira la investigacion" » "vieira ana investigacion", "vieira de investigacion", "vieira e investigacion"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("beiras la investigacion") or ((("vieira la investigacion") or ("vieira en investigacion"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("beiras la investigacion") OR ((("vieira la investigacion") OR ("vieira en investigacion"))))*.
• Removing quotes may allow a broader search: (( beiras la investigacion ) or ((( vieira la investigacion ) or ( vieira en investigacion ))))*.