Perhaps you should try some spelling variations:
en civilisations » une civilisation
racional e » nacional e, nacional de, nacional en
lengua en » lenguaje en, lengua de, lenguajes en
e lengua » de lengua, en lengua, y lengua
orientales » orientadaes, orientees
oriental » orientada, oriente

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

• Performing a fuzzy search may retrieve terms with similar spellings: Institut racional e lengua en civilisations (orientales OR oriental)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Institut racional e lengua en civilisations (orientales OR oriental)".
• Adding a wildcard symbol may retrieve word variants: Institut racional e lengua en civilisations (orientales OR oriental)*.