Perhaps you should try some spelling variations:
integration euler's » integration efforts, integration eines, integration europas
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
developpement en » developpement et, developpement des, developpement de
technological 2 » technological _, technological 3.5, technological art
a developpement » au developpement, de developpement, le developpement
2 integration » 3 integration, der integration, data integration
rate 2.7 » rate 2.4, gate 2.7, rate 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 2 integration euler's rate 2.7 communication costs a developpement en afrique.*.