Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
developpement de » developpement des, developpement durable
technology 1 » technology _
inflation la » inflation a, inflation tax, inflation als
1 inflation » 10 inflation, 12 inflation, _ inflation
de afrique » de l'afrique, en afrique, l afrique
race 4.2 » france 4.2, oracle 4.2, space 4.2
la race » a race, la roche

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation la race 4.2 communications costs _ developpement de afrique.*.