Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
models development » model development, module development, model developments
3.2 communication » 3 communication, 2.3 communication, de communication
technology rate » technology state, technology role, technology related
inflation rates » inflation rate
rate inflation » grade inflation, wage inflation, age inflation
development en » developpement en, development menu, development eco
costa models » cost models, cost model, copula models
space 3.2 » space 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology rate inflation rates space 3.2 communication costa models development en afrique.*.