Perhaps you should try some spelling variations:
"vieira la investigacion" » "vieira ana investigacion", "vieira de investigacion", "vieira e investigacion"
"beiras la investigacion" » "beiras ana investigacion", "beiras mas investigacion", "heras la investigacion"
"beira la investigacion" » "beira los investigacion", "era la investigacion", "cera 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: (((("beira la investigacion") OR ("vieira la investigacion"))) OR ("beiras la investigacion"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"beira la investigacion\") OR (\"vieira la investigacion\"))) OR (\"beiras la investigacion\"))*".
• Removing quotes may allow a broader search: (((( beira la investigacion ) OR ( vieira la investigacion ))) OR ( beiras la investigacion ))*.