Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
technology gap » technology 1, technology 2.2, technology 3
inflation data » inflation rate, infection data, inflation das
gap inflation » has inflation, grade inflation, rapid inflation
data spaces » data sources
spaces 6.2 » spaces 4.2, spaces 1.1, spaces 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation data spaces 6.2 communication _ du developpement de l'afrique.*.