Perhaps you should try some spelling variations:
organizaciones internacionales » relaciones internacionales (Expand Search)
organisation internationale » organisations internationales (Expand Search), organizacion internacional (Expand Search), organismos internacionales (Expand Search)
relations internationales » relaciones internacionales (Expand Search), relaciones interpersonales (Expand Search)
et relations » eu relations (Expand Search), des relations (Expand Search), les relations (Expand Search)

Try widening your search to All Fields.

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

• Removing quotes may allow a broader search: ((organisation internationale) OR (organizaciones internacionales)) et relations internationales.