Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
from developpement » from development, ou developpement, de developpement
developpement du » developpement de, developpement des, developpement et
technology lag » technology law, technology land, technology lays
lag inflation » log inflation, wage inflation, low inflation
bias mobile » das mobile, based mobile, being mobile
costa from » costs from, cost from
du afrique » en afrique, l afrique, de l'afrique
rate bias » gate bias, data bias, male bias

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

• Adding a wildcard symbol may retrieve word variants: technology lag inflation rate bias mobile communication costa from developpement du afrique.*.