Perhaps you should try some spelling variations:
communication costly » communication costs, communication costa, communications costs
land development » world development, child development
a communication » la communication, data communication, data communications
technologies a » technologies _, technologies 4, technologies 2
development en » developpement en, development menu, development eco
a calibration » _ calibration, 4 calibration, a recalibration
curve costs » survey costs, care costs, core costs
costly land » cost land, costs land, country land
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies a calibration curve costs a communication costly land development en afrique.*.