Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology early » technology energy, technology era, technology enabled
early infection » early detection, early reflections, early information
development lin » development li, development lid, development lie
infection data » infection rate, infection rates, section data
4 development » 2 development, 4 developing
data related » water related, data rates
lin afrique » en afrique, l afrique
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 early infection data related data communications costs 4 development lin afrique.*.