Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
des developpements » deux developpements, de developpement, et developpements
developpements des » developpement des, developpements de, developpement de
3.2 communication » 3 communication, 2.3 communication, de communication
technology dlt » technology data, technology debts, technology 21st
dlt inflation » der inflation, die inflation, d inflation
des afrique » en afrique, de l'afrique
rate date » rate data, trade date, rate water
paper des » paper d, paper e, paper ten
date 3.2 » daten 3.2, date 4.2, date 6.2

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 date 3.2 communication paper des developpements des afrique.*.