Perhaps you should try some spelling variations:
technological changes » technological change, technological advances
oral communication » personal communication
labor developments » major developments, labour development, later developments
changes tradition » changes traditional, lange tradition, langer tradition
developments a » developments _, developments 4, developments 3
tradition der » tradition _, tradition und
crisis oral » crisis oil
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: technological changes tradition der crisis oral communication costs labor developments a aortic.*.