Perhaps you should try some spelling variations:
competitiviness » ccompetitiveness, scompetitiveness, competiveness
competitivenes » ccompetitiveness, scompetitiveness, competitive
competitivenest » ccompetitivenesst, scompetitivenesst, competitivet, competiveness
competitiveness » ccompetitivenesss, scompetitivenesss, competitives
competitives » competitive, competitively, competitions

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 (competitivenest or (competitiveness OR competitives)))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((competitiviness OR competitivenes) OR (competitivenest OR (competitiveness OR competitives))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((competitiviness or competitivenes) or (competitivenest or (competitiveness OR competitives)))".
• Adding a wildcard symbol may retrieve word variants: ((competitiviness or competitivenes) or (competitivenest or (competitiveness OR competitives)))*.