Perhaps you should try some spelling variations:
5.4 communication » de communication, data communication
communication sts » communication costs, communication set, communication sur
technologies co » technologies _, technologies 4, technologies 2
co information » do information, 2 information, 1 information
sts human » its human, sdgs human, vs human
1 african » _ african, 1 africa, 2 african
pt 19 » pt 1, pt 10, pt 11
pt 9 » pt 2, pt 1, pt 3

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies co information ((pt 19) OR (pt 9)) 5.4 communication sts human development 1 african.~".
• Adding a wildcard symbol may retrieve word variants: technologies co information ((pt 19) OR (pt 9)) 5.4 communication sts human development 1 african.*.