Perhaps you should try some spelling variations:
communication forces » communication spaces, communications forms, communication services
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
de developpement » sme development
technology dose » technology does, technology 21st, technology data
dose reduction » noise reduction, cost reduction, loss reduction
reduction wage » production wage, reduction waste, reduction case
des l'afrique » de l'afrique, de l'amerique
wage rate » wage rates
forces de » force de, sources de, forces _
rate 5.2 » rates 5.2, rate 5.4, rate 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology dose reduction wage rate 5.2 communication forces de developpement des l'afrique.*.