Perhaps you should try some spelling variations:
lesson transform » lesson transforming, radon transform
transform crisis » transfer crisis, transport crisis, transform cities
crisis across » crisis cross, risks across, crises cross
korpus und » korper und
do lesson » iso lesson, _ lesson, a lesson
langue en » langue et, langues et, langue de
ideas do » ideas de, ideas you, ideas _
en water » open water, when water, run water

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: (( ideas do lesson transform crisis across ) OR ( langue en water transfer korpus und ))~.
• Adding a wildcard symbol may retrieve word variants: (( ideas do lesson transform crisis across ) or ( langue en water transfer korpus und ))*.