Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.1 communications » 4.1 communication, 3.1 communications, 4.1 communicating
integrating world » integrated world, integrating area, integrating land
data integrating » drama integrating, data integration, damage integrating
developpement la » developpement de, developpement et, developpement du
technology data » technology dlt, technology debate, technology debts
4 developpement » de developpement, le developpement, et developpement
la afrique » l afrique, la fabrique, en afrique
trade 4.1 » trade 2.2, trade 3.2
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 data integrating world trade 4.1 communications costs 4 developpement la afrique.*.