Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
technology modest » technology mest, technology models, technology most
3.2 communication » 3 communication, 2.3 communication, de communication
modest inflation » does inflation, money inflation, domestic inflation
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
prices 3.2 » price 3.2, prices 3.1, prices 4.2
barriers 4 » barriers _, barriers a, barrier _
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology modest inflation _ prices 3.2 communication barriers 4 developpement de afrique.*.