Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
park integration » ark integration, work integration, market integration
integration wege » integration wage, integration wie, integration work
developpement de » developpement des, developpement durable
technology park » technology parks
wege race » age race, wege nach
race 3.2 » race 3.7, race 4.2, rice 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology park integration wege race 3.2 communication costs _ developpement de l'afrique.*.