Perhaps you should try some spelling variations:
model communication » modern communication, moral communication, modeling communication
information centre » information centers, information contents
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
3.3 developing » 4 developing, 2 developing, 1 developing
developing 1 » developing _, developing a, developing e
centre de » centre _, centrale des
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
de model » ode model, sde model, fe model

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information centre de model communication costs 3.3 developing 1 africa.*.