Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
technology needs » technology new
needs isolation » friends isolation, needs innovations, needs evaluation
developpement l » developpement il, developpement la, developpement de
isolation auf » isolation haus, inflation auf, isolation a
l afrique » en afrique
auf rice » auf die, auf eine, auf dich
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 needs isolation auf rice 3.1 communications costs _ developpement l afrique.*.