Perhaps you should try some spelling variations:
communication costly » communication costs, communication costa, communications costs
information users » information use, information centers, information und
land development » world development, child development
development law » development latin, development 1
vi information » i information, ii information, novi information
technology vi » technology vt, technology 4ir, technology 1
costly land » cost land, costs land, country land
law afrique » l afrique
users 5 » users _, users 1, users 3
5 risk » 3 risk, 4 risk, 2 risk

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

• Adding a wildcard symbol may retrieve word variants: technology vi information users 5 risk communication costly land development law afrique.*.