Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
user information » der information, other information, user innovation
de communication » mobile communication, online communication
technology user » technology users, technology use, technology used
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing bop » developing crop, developing amp, developing good
law debate » law debates, a debate, war debate
bop africa » wup africa
debate de » debates de, debate we, debatte der
costa 3.2 » cost 3.2, costs 3.5, cost 1.2

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

• Adding a wildcard symbol may retrieve word variants: technology user information law debate de communication costa 3.2 developing bop africa.*.