Perhaps you should try some spelling variations:
date communication » data communication, data communications, parte communication
communication cote » communication costs, communication costa, communication case
methodology rural » methodology real, methodology retam, methodology general
des developpement » des developpements, de developpement, le developpement
population aged » population age, population based, population ahead
developpement l » developpement il, developpement la, developpement de
aged trade » agenda trade, added trade, based trade
trade date » trade data, matrade dato
l afrique » en afrique
cote des » cote de, cote les, compte des

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

• Adding a wildcard symbol may retrieve word variants: methodology rural population aged trade date communication cote des developpement l afrique.*.