Perhaps you should try some spelling variations:
leadership tensions » leadership dimensions, leadership lessons, leadership dimension
cosine transform » can transform, alone transform, could transform
der leadership » de leadership, does leadership, e leadership
tensions were » decisions were, tensions entre, tension war
guilds great » build great, guide great, goods great
great cosine » great famine, great basin, great mosque
were across » care across, fire across, tenure across
lange der » lange weg

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( lange der leadership tensions were across ) OR ( guilds great cosine transform _ a ))~.
• Adding a wildcard symbol may retrieve word variants: (( lange der leadership tensions were across ) or ( guilds great cosine transform _ a ))*.