Perhaps you should try some spelling variations:
"beiras nota investigacion" » "beiras foca investigacion", "beiras rosa investigacion", "beiras nueva investigacion", "beiras notas investigacion", "lobeiras nota investigacion"
"beiras esta investigacion" » "beiras entre investigacion", "beiras la investigacion", "beiras una investigacion", "miras esta investigacion", "beiras notas investigacion", "beiras ensta investigacion", "beiras lasta investigacion", "meiras desta investigacion"
"beiras e investigacion" » "beiras de investigacion", "beiras la investigacion", "beiras de investigaciones", "beiras en investigacion", "meiras de 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 e investigacion") or ((("beiras nota investigacion") OR ("beiras esta investigacion"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("beiras e investigacion") OR ((("beiras nota investigacion") OR ("beiras esta investigacion")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"beiras e investigacion\") or (((\"beiras nota investigacion\") OR (\"beiras esta investigacion\"))))".
• Removing quotes may allow a broader search: (( beiras e investigacion ) or ((( beiras nota investigacion ) OR ( beiras esta investigacion )))).
• Adding a wildcard symbol may retrieve word variants: (("beiras e investigacion") or ((("beiras nota investigacion") OR ("beiras esta investigacion"))))*.