Perhaps you should try some spelling variations:
communication costo » communication costs, communication costa, communications costs
tools information » models information, pooled information, does information
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
del developpement » de developpement, des developpements, le developpement
technology tools » technology thesis
developpement en » developpement et, developpement des, developpement de
information war » information what, information wants, information when
costo del » costa del, cose del, costo e
war rice » war race, war re, war risk
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 tools information war rice 3.1 communication costo del developpement en afrique.*.