Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
models development » model development, module development, model developments
1.3 communication » 2.3 communication, 13 communication, 4.3 communication
3 information » 1 information
information b » information 2, information 1, information bank
technology 3 » technology _, technology 1, technology 4
costa models » cost models, cost model, copula models
1 afrique » l afrique, en afrique, 1 enrique
case 1.3 » case 10.3, case 13.3, case 14.3
b case » tb case, 2 case, 1 case

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information b case 1.3 communication costa models development 1 afrique.*.