Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien der » technologien des, technologie der, technologien fur
developing class » developing cross, developing east, developing csi
der information » insider information, sector information, labor information
information und » informations und
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
class asia » class basis, class assyria
und bauer » und dauer, und bayern, und mauern

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

• Adding a wildcard symbol may retrieve word variants: technologien der information und bauer _ communication cost 2.4 developing class asia.*.