Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, 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
space mobile » space mobility, space models, space model
du afrique » en afrique, l afrique, de l'afrique

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

• Adding a wildcard symbol may retrieve word variants: technology lag inflation _ space mobile communication a leur developpement du afrique.*.