Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
development citizen » development caribbean
humans development » human development, humanist development, human developments
integration 3.4.2 » integration 2.4.2, integration 3.1.2, integration 3.4.1
do communications » 10 communications, 14 communications, 2 communications
technologies de » technologies _, technologies 4, technologies 2
de integration » die integration, re integration, une integration
costs humans » ghosts humans, forests humans, sts human
3.4.2 does » 13.2.2 does, 3.4.2 die, 3.4.2 der
does do » does de, does d, does fdi

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

• Adding a wildcard symbol may retrieve word variants: technologies de integration 3.4.2 does do communications costs humans development citizen _.*.