Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
technology volume » technologies volume, seismology volume, technology evolution
volume inflation » volume ventilation, volume evaluation, core inflation
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
inflation rates » inflation rate
rates date » rates data, rates rates, rates have
date 3.1 » daten 3.1, data 3.1, debate 3.1
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 volume inflation rates date 3.1 communications costs de developpement en afrique.*.