Perhaps you should try some spelling variations:
touch communication » trough communication, truth communication, through communication
communication cost » communication costs, communication costa, communications costs
development cases » development case, development phases, development based
technology et » technology e, technology ecit, technology eimt
et relations » des relations, 3 relations, ethnic relations
relations un » relations und, relations _, relations a
cost social » costs social, costa social, post social
un robot » u robot, inc robot, _ robot

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

• Adding a wildcard symbol may retrieve word variants: technology et relations un robot touch communication cost social development cases data.*.