Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
laser informations » labor information, user information, der informations
communication cost » communication costs, communication costa, communications costs
techniques laser » techniques chapter, techniques a, techniques de
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
dauer online » der online, daten online, paper online
developing e » developing _, developing a, developing east
und dauer » und daruber, und daten
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
e areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: techniques laser informations und dauer online communication cost 2.2 developing e areas.*.