Perhaps you should try some spelling variations:
causes communication » mass communication, crisis communication, assess communication
major developments » market developments, sector developments
communication 3.3 » communication _, communication a, communication 1
technologie 3.4 » technologies 3.4, technologie 3.2, technologie 7.4
hour causes » pour cause, your cause, hour couples
labor hour » labor hours, labor court, labor how
3.4 rural » 3.2 rural, 4.4 rural, 3.4 real
3.3 major » 13.3 major, 3.2 major, 1.3 major

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

• Adding a wildcard symbol may retrieve word variants: technologie 3.4 rural labor hour causes communication 3.3 major developments _ afrique.*.