Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
technology u.s » technology uses, technology 2.2, technology use
inflation wage » inflation rate, inflation target, inflation rates
u.s inflation » und inflation, 2.3 inflation, 3.2 inflation
de afrique » de l'afrique, en afrique, l afrique
wage rate » wage rates
rate 4.2 » rates 4.2, rate 4.3, rate 5.2
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 u.s inflation wage rate 4.2 communication costs a developpement de afrique.*.