Perhaps you should try some spelling variations:
information center » information centers, information centre, information content
debt communication » de communication, et communication, get communication
communication cost » communication costs, communication costa, communications costs
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
14.4 developing » 1.4 developing, 12.4 developing, 10.4 developing
developing 1 » developing _, developing a, developing e
center how » century how, better how, gender how
cost 14.4 » costs 14.3, cost 2.4, cost 1.2
how debt » low debt

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

• Adding a wildcard symbol may retrieve word variants: technologien als information center how debt communication cost 14.4 developing 1 africa.*.