Perhaps you should try some spelling variations:
technological 3.5 » technological _, technological art, technological gap
integration rules » integration roles, integration euler's, immigration rules
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
developpement du » developpement de, developpement des, developpement et
3.5 integration » 3.3 integration, 3.2 integration, 3.6 integration
a developpement » au developpement, de developpement, le developpement
rules date » rules state, rules game, rules save
du afrique » en afrique, l afrique, de l'afrique
date 2.7 » gate 2.7, rate 2.7, daten 2.3
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technological 3.5 integration rules date 2.7 communication costs a developpement du afrique.*.