Perhaps you should try some spelling variations:
oral communication » personal communication
technology change » technological change, technological changes
based development » basin development, land development, rapid development
change tradition » lange tradition, changes traditional, exchange traditions
tradition der » tradition _, tradition und
crisis oral » crisis oil
costs based » cost based, costs case, hots based
der crisis » der krisis, de crisis, under crisis
a aortic » _ aortic, _ artic

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

• Adding a wildcard symbol may retrieve word variants: technology change tradition der crisis oral communication costs based development a aortic.*.