Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
oral communication » personal communication
technologies land » technologies can, technologies any, technologies lead
land information » fund information, und information, award information
information need » information needs, information needed, information speed
city development » capacity development, policy development, community development
china africa » cpia africa, china asia
cost city » host city, best city, east city
need de » need le, need fide, need one
de oral » de otras, new oral

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies land information need de oral communication cost city development china africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies land information need de oral communication cost city development china africa.*.