Perhaps you should try some spelling variations:
touch communication » trough communication, truth communication, through communication
power development » water development, career development, hydropower development
development case » development china
technology 3.2 » technology 2.2, technology 3.1, technology 2
3.2 relations » 3.2 relation, 1.2 relations, 2.2 relations
relations 8.5 » relations 2.5, relations 7.5, relations 1.5
costs power » cost power, costs per, costs peter
8.5 rice » 8.5 nice, 85 rice, 8.5 die
case can » case case, case c

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

• Adding a wildcard symbol may retrieve word variants: technology 3.2 relations 8.5 rice touch communication costs power development case can.*.