Perhaps you should try some spelling variations:
technologies lasers » technologies ser, technologies based, technologies case
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
lasers inflation » cases inflation, lower inflation, taxes inflation
developpement en » developpement et, developpement des, developpement de
inflation rates » inflation rate
4 developpement » de developpement, le developpement, et developpement
rates case » rates cape, states case, rates east
case 3.1 » case 4.1, case 3.2, case 1
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: technologies lasers inflation rates case 3.1 communication costs 4 developpement en afrique.*.