Perhaps you should try some spelling variations:
5.2.3 communication » 2.2.3 communication, 3.2.3 communication, 2.8.3 communication
de developpement » sme development
developpement de » developpement des, developpement durable
technology 4ir » technology 4, technology 4.1, technology 4.2
4ir inflation » der inflation, die inflation, aid inflation
price 5.2.3 » price 5.5.3, prices 7.2.3, price 2.3
de fabrique » la fabrique, de 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 4ir inflation _ price 5.2.3 communication costs de developpement de fabrique.*.