Perhaps you should try some spelling variations:
communication efforts » communication networks, communications networks, communication network
clean development » human development, urban development, child development
information laws » information law, information flows, information gaps
technologies a » technologies _
a information » _ information, land information, award information
development a » development _, development bank, development banks

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

• Adding a wildcard symbol may retrieve word variants: technologies a information laws de _ communication efforts clean development a afrique.*.