Perhaps you should try some spelling variations:
communication based » communication united, communication brazil, communication barriers
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
information oder » information der, information model, information code
d1 developpement » de developpement, du developpement, le developpement
4.1 information » 3.1 information, 2.1 information, 6.1 information
developpement l » developpement il, developpement la, developpement de
technology 4.1 » technology 3.1, technology 2.1, technology 1
oder trade » der trade, border trade, modern trade
trade 6.2 » trade 2.2, trade 3.2, trade 4.2
l afrique » en afrique
based d1 » based dm, based dna, based ndc

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

• Adding a wildcard symbol may retrieve word variants: technology 4.1 information oder trade 6.2 communication based d1 developpement l afrique.*.