Perhaps you should try some spelling variations:
communication model » communication media
trade development » software development
do communication » do communications, de communication, ngo communication
development plan » development plans, development planning, development policy
information 1.2 » information 1.5.2, information 2
technologies 4 » technologies _
4 information » 2 information, 1 information
plan african » pan african, plan africa, class african
model trade » modern trade, model traem, model tree
1.2 2 » 1.2 _, 1.2 a, 1.2 r
2 do » _ do, 2 co, 2 de

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 1.2 2 do communication model trade development plan african.*.