Perhaps you should try some spelling variations:
urban developpement » urban development, urban developments, un developpement
communication basic » communication asia, communication based, communication brazil
technologies 2.4 » technologies 2.1, technologies 1.4, technologies 4
developpement de » developpement des, developpement durable
2.4 information » 2.1 information, 2.2 information, 3.4 information
information do » information does, information der, information due
do does » do dogs, der does, who does

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.4 information do does _ communication basic urban developpement de l'afrique.*.