Perhaps you should try some spelling variations:
mobile communications » mobile communication, _ telecommunications
communications costs » communication costs, communication systems, communication efforts
scale development » estate development, local development, trade development
age information » care information, rate information, change information
technology age » technology wages, technology use, technology e
information et » information act, information _, information need
development co » development _, development a, development case

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

• Adding a wildcard symbol may retrieve word variants: technology age information et _ mobile communications costs scale development co afrique.*.