Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
developing based » development based, developing asia, developing east
3 communication » 4 communication, de communication, data communication
5.4 developing » 6.4 developing, 3.3 developing, 2.2 developing
3 information » 1 information
technology 3 » technology _, technology 1, technology 4
based price » base price, base prices, based practice
decade 3 » decade _, decade 1, decade 2
cost 5.4 » costs 5.4, cost 2.4, cost 3.4

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information _ decade 3 communication cost 5.4 developing based price.*.