Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
der information » insider information, sector information, labor information
3 communication » 4 communication, de communication, data communication
technology der » technology does, technology 4ir, technology dlt
costs debate » arts debate, city debate, class debate
developing 1 » developing _, developing a, developing e
debate 3 » debate _, debate 4, debate a

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

• Adding a wildcard symbol may retrieve word variants: technology der information costs debate 3 communication costs _ developing 1 africa.*.