Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
oral communication » personal communication
technology credit » technology craft, technology crisis, technology media
information gaps » information gap
network a » network _, network 3, network 1
gaps do » games do, gaps how, gaps vom
do oral » do rural, who oral

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology credit information gaps do oral communication network a development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology credit information gaps do oral communication network a development _ afrique.*.