Perhaps you should try some spelling variations:
communication costly » communication costs, communication costa, communications costs
calculation does » circulation does, calculation model, calculation steps
et communication » et communicatione, get communication, debt communication
land development » world development, child development
development main » development making, development moving, development mode
technologies 2 » technologies _, technologies 4
2 calculation » _ calculation, 3.2 calculation, 3.1 calculation
main afrique » en afrique
costly land » cost land, costs land, country land
does costs » hopes costs, does cross
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 calculation does costs et communication costly land development main afrique.*.