Perhaps you should try some spelling variations:
technology course » technology case, technology cost, technology code
2.3 communication » 3.2 communication, de communication, 4 communication
course infection » course selection, course correction, courses selection
development lid » development led, development li, development lie
infection data » infection rate, infection rates, section data
data spaces » data sources
lid afrique » l afrique
spaces 2.3 » space 2.3, spaces 2.1, spaces 2.2
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology course infection data spaces 2.3 communication costs a development lid afrique.*.