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 12 » technology 1.2, technology 1, technology 2
12 inflation » 10 inflation, 2 inflation, 3.2 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 12 inflation a price 3.2 communication _ leur developpement en afrique.*.