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
de developpement » sme development
a communication » la communication, data communication, data communications
information a » information age, information about
des afrique » en afrique, de l'afrique
model de » model due, model d, model du
code a » code _, code 2

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 a code a communication model de developpement des afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies trade information a code a communication model de developpement des afrique.*.