Perhaps you should try some spelling variations:
communications models » communication model, communication modes, communicating model
integrating data » integration data, integrated data, integrating a
developpement de » developpement des, developpement durable
5.3 integrating » 3.3 integrating, 4.3 integrating, 5.2 integrating
4 developpement » de developpement, le developpement, et developpement
technology 5.3 » technology 2.3, technology 3.3, technology 1.3
de afrique » de l'afrique, en afrique, l afrique
models 4 » models 1, models 3
data 6 » data 1
6 data » 2 data, 1 data

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

• Adding a wildcard symbol may retrieve word variants: technology 5.3 integrating data 6 data communications models 4 developpement de afrique.*.