Perhaps you should try some spelling variations:
development eastern » development pattern, development master, development patterns
communication case » communications case, communication based, communication phase
oral communication » personal communication
trade development » software development
eastern africa » east africa
technology 1 » technology _
1 tradition » _ tradition, a tradition, 4 tradition
tradition 2 » tradition _, traditional _, tradition und
crisis oral » crisis oil
case trade » scale trade, have trade, jade trade
2 crisis » 1 crisis, 3 crisis, 4 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology 1 tradition 2 crisis oral communication case trade development eastern africa.*.