Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
3.2 communication » 3 communication, 2.3 communication, de communication
developpement en » developpement et, developpement des, developpement de
technology 10 » technology 110, technology 1, technology 11
10 inflation » 12 inflation, 10.7 inflation, _ inflation
inflation a » inflation _, inflation tax, inflation rate
price 3.2 » prices 3.2, price 2.2, rice 3.2
a price » a primer

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

• Adding a wildcard symbol may retrieve word variants: technology 10 inflation a price 3.2 communication _ leur developpement en afrique.*.