Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information models » information model, information modeling, information modelling
7.5 communications » 3.5 communication, 2.5 communication, 3.1 communications
developpement de » developpement des, developpement durable
models predict » models credit, models product, models project
3 information » 1 information
technology 3 » technology _, technology 1, technology 4
predict 7.5 » prediction 7.5
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information models predict 7.5 communications costs _ developpement de afrique.*.