Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
technology grade » technology trade, technology guides, technology gender
la developpement » le developpement, de developpement, et developpement
developpement la » developpement de, developpement et, developpement du
grade inflation » price inflation, trade information
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
la afrique » l afrique, la fabrique, en afrique
modes la » modeles la, modes _, modes de

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

• Adding a wildcard symbol may retrieve word variants: technology grade inflation _ prices 3.1 communication modes la developpement la afrique.*.