Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology evolution » technology solutions, technology adoption, technology education
evolution equation » evolution equations, convolution equation, valuation equation
2 communications » 2 communication, 3 communications, 4 communications
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
equation taken » equation take, equation taking, equation based
taken place » market place
de afrique » de l'afrique, en afrique, l afrique
place 2 » place _, place a, place 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: technology evolution equation taken place 2 communications costs a developpement de afrique.*.