Perhaps you should try some spelling variations:
4.2 developpement » 4.2 development, de developpement, le developpement
technology price » technology rich, technology voice, technology service
developpement de » developpement des, developpement durable
1 communication » 10 communication, 3 communication, 4 communication
inflation das » inflation bias, inflation tax, inflation a
de afrique » de l'afrique, en afrique, l afrique
das case » das coase, das cafe, das close

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

• Adding a wildcard symbol may retrieve word variants: technology price inflation das case 1 communication costs 4.2 developpement de afrique.*.