Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
users information » user information, museums information, series information
3.2 communication » 3 communication, 2.3 communication, de communication
technology users » technology use, technology series, technology transfers
information rate » information ratio, information related, information matter
data development » delta development, doha development, data envelopment
development en » developpement en, development menu, development eco
rate rates » rates rates, dates rates, frame rates
rates 3.2 » rates 4.2, rates 5.2, states 3.2
cost data » test data

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

• Adding a wildcard symbol may retrieve word variants: technology users information rate rates 3.2 communication cost data development en afrique.*.