Perhaps you should try some spelling variations:
1.1b communication » 1.1 communication, 4.1 communication, 1.3 communication
mediation effects » radiation effects, mediating effects, mediation efforts
technology does » technology debts, technology data, technology dlt
developpement l » developpement il, developpement la, developpement de
does mediation » der mediation, does education, does migration
from 1.1b » from 11, from 1.2, from 1.3
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology does mediation effects from 1.1b communication costs _ developpement l afrique.*.