Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
biotechnology some » biotechnology case, biotechnology from, technology some
communication cost » communication costs, communication costa, communications costs
models development » model development, module development, model developments
development befund » development fund, development beyond, development burundi
some relation » comme relations, role relations, shape relation
relation co » relations co, relation c, relation von
cost models » cost model, logit models
die online » der online, das online, des online
befund der » befunde der
co die » go die, wo die

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

• Adding a wildcard symbol may retrieve word variants: biotechnology some relation co die online communication cost models development befund der.*.