Perhaps you should try some spelling variations:
comercio interior » comercio exterior, comercio interno, mercado interior
interior en » interior del, interior de, exterior en
medicion de » medicina de
caminos del » caminos de, camino de
accion y » accion de
del los » del flos, del las, del loa
los pau » las pau

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: (( accion y comercio interior en paz ; ) OR ( medicion de caminos del los pau ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( accion y comercio interior en paz ; ) or ( medicion de caminos del los pau ; ))*.