Perhaps you should try some spelling variations:
trade developpement » trade developement, trade development, de developpement
technology model » technology models, technology code, technology moral
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
model function » mode function, models functional, goal function
function 4.2 » functions 4.2, function 4.3, function 4.4
4.2 process » 2.3 process, 2.1 process
costs trade » costly trade
process de » procesos de, process d, processus de

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

• Adding a wildcard symbol may retrieve word variants: technology model function 4.2 process de communication costs trade developpement en afrique.*.