Perhaps you should try some spelling variations:
development center » development case
data communication » data communications
river development » driven development, water development, power development
relations 2.5 » relations 2.1, relations 2.4, relations 7.5
technology 1 » technology _
1 relations » 3 relations, a relations, 1.2 relations
costs river » costs drivers, costs over, costs rise
center life » center line, century life, better life
being data » using data, sensing data, setting data
2.5 being » 2.1 being, 3.5 being, 4.5 being

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

• Adding a wildcard symbol may retrieve word variants: technology 1 relations 2.5 being data communication costs river development center life.*.