Perhaps you should try some spelling variations:
oncologica relacional » ontologia relacional, oncologico nacional, psicologica relacionada
sociologia relacional » ontologia relacional, tecnologia relacionada, psicologia relacion
oncologia nacional » oncologico nacional, ontologia relacional, logia nacional
economia nacional » economia regional, economica regional, economia internacional

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( instituto ((oncologia nacional) OR (economia nacional)) ) or ( institucion ((oncologica relacional) or (sociologia relacional)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( instituto ((oncologia nacional) OR (economia nacional)) ) OR ( institucion ((oncologica relacional) OR (sociologia relacional)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( instituto ((oncologia nacional) OR (economia nacional)) ) or ( institucion ((oncologica relacional) or (sociologia relacional)) ))".
• Adding a wildcard symbol may retrieve word variants: (( instituto ((oncologia nacional) OR (economia nacional)) ) or ( institucion ((oncologica relacional) or (sociologia relacional)) ))*.