Perhaps you should try some spelling variations:
visiones contemporaneas » vision contemporanea (Expand Search), cuestiones contemporaneas (Expand Search), migraciones contemporaneas (Expand Search)
contemporaneas de » contemporanea de (Expand Search), contemporaneo de (Expand Search)
sobre visiones » sobre emisiones (Expand Search), sobre prisiones (Expand Search), sobre decisiones (Expand Search)