Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien road » technologien ad, technologien und, technologien am
der communication » de communication, under communication, debt communication
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
developing v » developing av, developing _, developing a
contents i » contents 1, contents _, contents list
cost 1.3 » cost 11.3, cost 1.2, cost 2.3
v africa » 1 africa, em africa
i der » ii der, _ der, 2 der

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

• Adding a wildcard symbol may retrieve word variants: technologien road information contents i der communication cost 1.3 developing v africa.*.