Perhaps you should try some spelling variations:
communication costo » communication costs, communication costa, communications costs
technology takers » technology leaders, technology users, technology make
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
model development » local development, social development, global development
takers inflation » taxes inflation, cases inflation, term inflation
development en » developpement en, development menu, development eco
costo model » cost model, cost models, costo del
rate space » state space, trace space, safe space
space 3.1 » space 2.1, space 3.2, space 3.3

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

• Adding a wildcard symbol may retrieve word variants: technology takers inflation rate space 3.1 communication costo model development en afrique.*.