Perhaps you should try some spelling variations:
good communication » world communication, ihrd communication, based communication
communication cost » communication costs, communication costa, communications costs
technologie der » technologie de, technologien des, technologies de
der information » insider information, sector information, labor information
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
contents les » contents less, contents list, contents lead
les good » does good, gets good, e good
cost 3.2 » cost 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologie der information contents les good communication cost 3.2 developing _ africa.*.