Perhaps you should try some spelling variations:
"beiras ana investigacion" » "beiras una investigacion", "beiras para investigacion", "beiras en investigacion", "neira ana investigacion", "beiras la investigacion"
"vieira la investigacion" » "vieira ana investigacion", "vieira de investigacion", "vieira e investigacion"
"neira la investigacion" » "beira la investigacion", "neira ana investigacion", "era la 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 ana investigacion") or ((("neira la investigacion") OR ("vieira la investigacion"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("beiras ana investigacion") OR ((("neira la investigacion") OR ("vieira la investigacion"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"beiras ana investigacion\") or (((\"neira la investigacion\") OR (\"vieira la investigacion\"))))*".
• Removing quotes may allow a broader search: (( beiras ana investigacion ) or ((( neira la investigacion ) OR ( vieira la investigacion ))))*.