Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
technology costs » technology cost, technology course, technology case
costs innovation » cost innovation, foster innovation, costs information
innovation rate » innovation race, innovation create, innovation state
new development » new developments, 2 development, 3 development
development des » development does, development desd, development ds
des afrique » en afrique, de l'afrique
rate rule » rate rules, trade rule
rule 3.5 » rule 2.5, rule 3.1, rule 3.2
cost new » post new, east new, cost e3

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

• Adding a wildcard symbol may retrieve word variants: technology costs innovation rate rule 3.5 communication cost new development des afrique.*.