Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
de developpement » sme development
developpement de » developpement des, developpement durable
age information » care information, rate information, die information
technology age » technology usage, technology wages, technology a
table prices » stable prices, cattle prices, maize prices
prices 4.1 » price 4.1, prices 2.1, prices 3.1
de afrique » de l'afrique, en afrique, l afrique
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology age information table prices 4.1 communication costs de developpement de afrique.*.