Perhaps you should try some spelling variations:
del communication » cell communication, real communication, cell communications
development plans » development planning, development policy, development policies
tradition 3.1 » tradition _, tradition und, tradition der
technology 3 » technology _, technology 1, technology 4
3 tradition » 3 traditions, _ tradition, a tradition
3.1 crisis » 2.1 crisis, 3 crisis, 11 crisis
crisis del » crisis desde
costs gas » costs case, costs cash, costs a
plans c » planes c, plans _, plans a

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

• Adding a wildcard symbol may retrieve word variants: technology 3 tradition 3.1 crisis del communication costs gas development plans c.*.