Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
data communication » data communications
drive development » driven development, rice development, river development
technology la » technology law, technology lag, technology land
relation 4.3 » relations 4.3, relation 4.5, relation 5.3
la relation » la revolution, a relational
route data » rate data
cost drive » cost driven, cost drivers, cost drip
4.3 route » 4.3 role, 13 route, 4.3 acute
china can » china case

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

• Adding a wildcard symbol may retrieve word variants: technology la relation 4.3 route data communication cost drive development china can.*.