Perhaps you should try some spelling variations:
3.1.3 communication » 3.2.3 communication, 6.1.3 communication, 2.2.3 communication
developpement en » developpement et, developpement des, developpement de
inflation wages » inflation rates, inflation taxes, inflation targets
technologien i » technologien im, technologien _, technologien 1
i inflation » iv inflation, _ inflation, 2 inflation
wages case » ages case, wages close, cases case
case 3.1.3 » cases 3.1.3, case 3.1.1, case 3.1.2

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

• Adding a wildcard symbol may retrieve word variants: technologien i inflation wages case 3.1.3 communication costs _ developpement en afrique.*.