Perhaps you should try some spelling variations:
communication methods » communication networks, communication network, communications networks
oral communication » mobile communication, _ communication, risk communication
technology credit » technology creates, technology trade, technology trends
information needs » information flows, information networks
a development » _ development, clean development, asian development
methods a » methods _, method _
needs de » needs _, needs a

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 needs de oral communication methods a development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology credit information needs de oral communication methods a development _ afrique.*.