Perhaps you should try some spelling variations:
communication model » communication media
technologies trade » technology trade, technologies case, technologies table
trade information » price information, private information, trade integration
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
information amp » information age, information a, information act
a communication » la communication, data communication, data communications
amp case » amp gas
model le » model led, model law, model 1
case a » case 1, case 2, case 3

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies trade information amp case a communication model le developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies trade information amp case a communication model le developpement en afrique.*.