Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
doha development » a development, 2 development
development law » development latin, development 1
technology dlt » technology data, technology debts, technology 21st
dlt inflation » der inflation, die inflation, d inflation
law afrique » l afrique
rate space » state space, trace space, safe space
costs doha » costs data, costs down
space 4.1 » space 2.1, space 4.3, space 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology dlt inflation rate space 4.1 communication costs doha development law afrique.*.