Perhaps you should try some spelling variations:
transfer insulation » transfer innovation, transfer simulation, transfer simulations
insulation glass » insulation case, isolation class, insulation blocks
de communication » mobile communication, online communication
4 developing » 3 developing
developing l » developing l2, developing _, developing a
glass rate » pass rate, class race, loss rate
l afrique » en afrique
rate de » rate due, rate debt, rate does
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology transfer insulation glass rate de communication costs 4 developing l afrique.*.