Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
detection series » detection systems, detection system
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technology 14 » technology 1, technology 4, technology 10
14 detection » 1 detection, 15 detection, 19 detection
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 14 detection series _ online communication costs de developpement en afrique.*.