Perhaps you should try some spelling variations:
publicaciones internacionales » obligaciones internacionales, publicacion internacional, relaciones internacionales
regulacion internacional » regulaciones internacionales, regeneracion internacional, circulacion internacional
mexico publicaciones » publica publicaciones, quimica publicaciones
mexico regulacion » mexico educacion, mexico revolucion, mexico evaluacion

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( mexico regulacion internacional. ) or ( mexico publicaciones internacionales. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( mexico regulacion internacional. ) OR ( mexico publicaciones internacionales. )).
• Adding a wildcard symbol may retrieve word variants: (( mexico regulacion internacional. ) or ( mexico publicaciones internacionales. ))*.