Perhaps you should try some spelling variations:
1990 communication » 10 communication, 19 communication, 1 communication
der information » insider information, sector information, labor information
information can » information case, information 1, information 1.2
technology der » technology does, technology 4ir, technology dlt
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing 1 » developing _, developing a, developing e
decade 1990 » decade 1996, decade 1997, decade 1930s
can decade » a decade, can decrease
costs 2.3 » costs 4.2, costs 4.4

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

• Adding a wildcard symbol may retrieve word variants: technology der information can decade 1990 communication costs 2.3 developing 1 africa.*.