Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information rate » information ratio, information related, information matter
doha development » a development, 2 development
use information » user information, house information, users information
d communication » de communication, 3 communication, 4 communication
technology use » technology 1, technology 2.2, technology 3
development en » developpement en, development menu, development eco
rate rates » rates rates, dates rates, frame rates
cost doha » post doha, cost data, cost dna
rates d » rates _, rates a, rates 7

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

• Adding a wildcard symbol may retrieve word variants: technology use information rate rates d communication cost doha development en afrique.*.