Perhaps you should try some spelling variations:
national development » international development, institutional development, social development
technologien poor » technologies pour, technologien fur, technologien zur
poor information » labor information, der information, user information
implications 2.4 » implications 6.4, implications 12.6, implications 4
19 implications » 3 implications, 2 implications, 12.4 implications
2.4 national » 2.2 national, 2.3 national, 3.4 national
china ian » china iran, china asian, china i
3.2 das » 1.2 das, 3.2 data
das 19 » das 18

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

• Adding a wildcard symbol may retrieve word variants: technologien poor information 3.2 das 19 implications 2.4 national development china ian.*.