Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.2 communications » 3.2 communication, 3.1 communications, 4.2 communications
information rates » information states, information ratio, information rules
technology road » technology role, technology roadmap, technology robot
developing l2 » developing _, developing a, developing e
rates jahre » ersten jahre
l2 afrique » l afrique, en afrique
jahre 3.2 » jahre 2.2, jahre 3.1, jahre 7.2

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

• Adding a wildcard symbol may retrieve word variants: technology road information rates jahre 3.2 communications costs _ developing l2 afrique.*.