Perhaps you should try some spelling variations:
lea's communication » mass communication, crisis communication, leadership communication
technologies based » technologies used, technology based, technologies a
based information » basic information, based innovation, land information
die developpement » de developpement, le developpement, du developpement
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
gas lea's » gas leases
3.2 gas » 3.3 gas, 3.4 gas, 3.5 gas
a die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technologies based information 3.2 gas lea's communication a die developpement de afrique.*.