Perhaps you should try some spelling variations:
models development » model development, module development, model developments
communication cost » communication costs, communication costa, communications costs
1.4 communication » 5.4 communication, 1.1 communication, 1.3 communication
als information » als informations, aids information, laws information
technology als » technology a, technology age, technology act
information b » information 2, information 1, information bank
cost models » cost model, logit models
1 afrique » l afrique, en afrique, 1 enrique
case 1.4 » case 12.4, case 4.4, case 2.4
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 als information b case 1.4 communication cost models development 1 afrique.*.