Perhaps you should try some spelling variations:
insulation factor » inspiration factor, population factors, education factor
technology trade » technology trends, technology transfer, technology transfers
trade insulation » trade regulation, grade inflation, trade innovation
de communication » mobile communication, online communication
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
prices de » prices does, prices _, prices a
l afrique » en afrique
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 trade insulation factor prices de communication costs de developpement l afrique.*.