Perhaps you should try some spelling variations:
oncologico relacional » ontologia relacional, tecnologico relacionado, sociologia relacional
ecologicos relacion » psicologicos relacion, ecological relations, tipologico relacion
oncologia nacional » ontologia relacional, economia nacional, logia nacional
logico relacional » logicos relacionales, socio relacional, logica operacional

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 (oncologico nacional)) ) or ( instituto ((((oncologico relacional) OR (ecologicos relacion))) or (logico relacional)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( instituto ((oncologia nacional) OR (oncologico nacional)) ) OR ( instituto ((((oncologico relacional) OR (ecologicos relacion))) OR (logico relacional)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( instituto ((oncologia nacional) or (oncologico nacional)) ) or ( instituto ((((oncologico relacional) OR (ecologicos relacion))) or (logico relacional)) ))".
• Adding a wildcard symbol may retrieve word variants: (( instituto ((oncologia nacional) or (oncologico nacional)) ) or ( instituto ((((oncologico relacional) OR (ecologicos relacion))) or (logico relacional)) ))*.