Perhaps you should try some spelling variations:
communication cost » communication costs, communications costs, communication mode
trade development » software development
push information » youth information, fund information, cost information
technology push » technology park, technology risk, technology parks
information et » information act, information _, information need
cost trade » costs trade, costly trade, boost trade
de mobile » does mobile, _ mobile, a mobile

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

• Adding a wildcard symbol may retrieve word variants: technology push information et de mobile communication cost trade development _ afrique.*.