Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
2.3 communication » 3.2 communication, de communication, 4 communication
s0 development » 20 development, 10 development, 4.0 development
development l » development li, development 1, development law
l afrique » en afrique
case s0 » case 10, case 20, case 30

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technology _ inflation ((a price) OR (a primer)) 2.3 communication case s0 development l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology _ inflation ((a price) OR (a primer)) 2.3 communication case s0 development l afrique.*.