Perhaps you should try some spelling variations:
civilization oriental » civilization ancient
civilization medieval » civilization modern
instituto nacionale » istituto nazionale, institute national, institut national
instituto nacional » institute national
et civilisation » _ civilisation, der zivilisation
nacionale des » nationale des, nacionales del, nacional de
des languages » des langages, ideas languages, ages languages
nacional des » nacional de, nacional del, national des
languages et » languages etc, languages e, languages e3
langues » langages

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 nacional des langues et ((civilization oriental) OR (civilization medieval)) ) OR ( instituto nacionale des languages et civilisation orientales )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( instituto nacional des langues et ((civilization oriental) OR (civilization medieval)) ) or ( instituto nacionale des languages et civilisation orientales ))".
• Adding a wildcard symbol may retrieve word variants: (( instituto nacional des langues et ((civilization oriental) OR (civilization medieval)) ) or ( instituto nacionale des languages et civilisation orientales ))*.