Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
care information » more information, change information, trade information
techniques care » techniques case, techniques parent, techniques based
information und » informations und
developing east » development east, developing a, developing asia
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
der mobile » der mobilen, der mobil, does mobile
east sezs » east asezs, east seeds
cost 2.2 » costs 2.2, cost 2.4, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: techniques care information und der mobile communication cost 2.2 developing east sezs.*.