Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement de » developpement des, developpement durable
technologien im » technologie im, technologien am, technologien _
inflation wages » inflation rates, inflation taxes, inflation targets
im inflation » im inflations, i inflation, iv inflation
wages case » ages case, wages close, cases case
de afrique » de l'afrique, en afrique, l afrique
case 6.2 » case 6.12, case f6.2, case 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien im inflation wages case 6.2 communication costs _ developpement de afrique.*.