Perhaps you should try some spelling variations:
communication tasks » communicative tasks, communication tools, communication tres
modern development » modern developments, model development, models development
development case » development china
technology cost » technology case, technology can, technology choice
cost relations » east relations, post regulations, cost reductions
price mobile » private mobile, price model, die mobile
tasks modern » tasks under, task model, task models
relations 5 » relations _, relations a, relations 3
case four » phase four, have four, case food
5 price » 35 price, 1 price, 2 price

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

• Adding a wildcard symbol may retrieve word variants: technology cost relations 5 price mobile communication tasks modern development case four.*.