Perhaps you should try some spelling variations:
transformative role » transformative power, transformative _, transformative change
a transformative » _ transformative
der perwer » der merwe, der peer, der power
meer der » heer der, reer der, menger der
guias 3 » guias de
role a » role _, role 3, role 6

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( guias 3 a transformative role a ) or ( guias ((der perwer) or (meer der)) transfer risk _ ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( guias 3 a transformative role a ) OR ( guias ((der perwer) OR (meer der)) transfer risk _ )).
• Adding a wildcard symbol may retrieve word variants: (( guias 3 a transformative role a ) or ( guias ((der perwer) or (meer der)) transfer risk _ ))*.