Perhaps you should try some spelling variations:
instituto tecnologico » instituto oncologico, instituto tecnico, instituto pedagogico
instituto ecologico » instituto oncologico, instituto neurologico, instituto agroecologico
geologico nacional » oncologico nacional, pedagogico nacional, economico nacional
geologico regional » geologia regional, economico regional

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((instituto ecologico) OR (instituto tecnologico)) nacional ) OR ((( instituto ((geologico nacional) OR (geologico regional)) ) OR ( instituto (oncologico OR deontologico) nacional ))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((instituto ecologico) OR (instituto tecnologico)) nacional ) or ((( instituto ((geologico nacional) or (geologico regional)) ) or ( instituto (oncologico or deontologico) nacional ))))~".
• Adding a wildcard symbol may retrieve word variants: (( ((instituto ecologico) OR (instituto tecnologico)) nacional ) or ((( instituto ((geologico nacional) or (geologico regional)) ) or ( instituto (oncologico or deontologico) nacional ))))*.

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