Perhaps you should try some spelling variations:
competitiviness » ccompetitiveness, scompetitiveness, competitivenest
competitivenes » competitivenest, ccompetitiveness, scompetitiveness
competitiveness » competitivenests, ccompetitivenesss, scompetitivenesss
ccompetitivenesss » ccompetitivenestss, cccompetitivenessss, cscompetitivenessss, ccompetitiveness, scompetitiveness, competitivenest
competences » competencies, competence, competency

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((competitiviness or competitivenes) or (competitiveness or ccompetitivenesss)) or competences)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((competitiviness OR competitivenes) OR (competitiveness OR ccompetitivenesss)) OR competences).
• Adding a wildcard symbol may retrieve word variants: (((competitiviness or competitivenes) or (competitiveness or ccompetitivenesss)) or competences)*.