Perhaps you should try some spelling variations:
communication cross » communication costs
state development » estate development, stable development, staff development
technologies 4.2 » technologies 3.2, technologies 4.1, technologies 4.5
4.2 informations » 4.2 information, 2.2 information, 3.2 information
informations low » information flow, informations und, informations sur
de communication » mobile communication, online communication
development our » development over, development o120, development o110
cross state » across states, class state, cross scale
our african » four african, euro african, our american
debt de » debt do, debt debt, debt gdp

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

• Adding a wildcard symbol may retrieve word variants: technologies 4.2 informations low debt de communication cross state development our african.*.