Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
information needs » information flows, information networks
trade development » software development
can information » care information, change information, fund information
technology can » technology gap, technology change, technology park
costs trade » costly trade, crisis trade, foster trade
de mobile » does mobile, _ mobile, a mobile
needs de » needs _, needs a

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

• Adding a wildcard symbol may retrieve word variants: technology can information needs de mobile communication costs trade development _ africa.*.