Perhaps you should try some spelling variations:
"neira ana investigacion" » "neira una investigacion", "neira para investigacion", "neira en investigacion"
"vieira ana investigacion" » "vieira una investigacion", "vieira para investigacion", "vieira en investigacion"
"lucas la investigacion" » "lucan ma investigacion", "lucas el investigacion", "lucas un investigacion"

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

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