Perhaps you should try some spelling variations:
data communication » data communications
communication its » communication ict, communication ihr, communication imc
river development » driven development, water development, power development
technology la » technology law, technology lag, technology land
relations 3.5 » relations 3.1, relations 3.2, relations 2.5
la relations » la relation, a relations, la relacion
route data » rate data
3.5 route » 3.5 role, 3.5 south
its river » its drivers, its cover, its rise
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 relations 3.5 route data communication its river development china can.*.