Perhaps you should try some spelling variations:
communication cross » communication costs
leur developpement » le developpement, deux developpements, de developpement
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
developpement la » developpement de, developpement et, developpement du
technology d » technology 1, technology 3, technology 4
d inflation » _ inflation, 2 inflation, 6 inflation
cross leur » cross fleurs
la afrique » l afrique, la fabrique, en afrique
rice 3.1 » rice 2.1, rice 3.3, rice 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology d inflation _ rice 3.1 communication cross leur developpement la afrique.*.