Perhaps you should try some spelling variations:
communications theory » communication theory, miscommunication theory, communications barry
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
technologies 2 » technologies _, technologies 4
2 formulation » _ formulation, 3 formulation, la formulation
theory der » theory debra, theorie der, theoria der
does data » does cat

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 formulation _ does data communications theory der developpement en afrique.*.