Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
based development » basin development, land development, rapid development
information age » information storage, information access, information about
development pan » development plan, development plans, development japan
pan african » pan american, can africa, pan africanism
de risk » e risk, de risi, edge risk
age de » page de, stage de, image de

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information age de risk communication network based development pan african.*.