Perhaps you should try some spelling variations:
technologien change » technological change, technology change, technological changes
information context » information content, information contents, information centers
change information » chandos information, trade information
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
1 developing » 3 developing, 4 developing, 2 developing
developing 1 » developing _, developing a, developing e
cost 1 » cost 12, cost 15, cost _
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: technologien change information context 3 de communication cost 1 developing 1 africa.*.