Perhaps you should try some spelling variations:
communications network » communications networks, communication network, communication networks
limits development » limited development, its development, cities development
2 communications » 2 communication, 3 communications, 4 communications
technologies la » technologies a, technologies le, technologies lead
la formulation » la formulacion, _ formulation, la formation
formulation de » formulation des, formulacion de, formulation du
network limits » network limited, network its, network links
de 2 » dem 2, des 2, der 2

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

• Adding a wildcard symbol may retrieve word variants: technologies la formulation de 2 2 communications network limits development _ african.*.