Perhaps you should try some spelling variations:
communication model » communication media
technologies trade » technology trade, technologies case, technologies table
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
integration amp » integration a, integration als, integration auf
model et » model ee, model em, model eu

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 integration amp co _ communication model et developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies trade integration amp co _ communication model et developpement en afrique.*.