Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
developpement en » developpement et, developpement des, developpement de
pension systems » pension system
a information » 2 information, 1 information
technology a » technology 1, technology 3, technology 4
land pension » bank pension, can pension, la pension
systems leur » systems lens, systems level, systems legal
thomas land » thomas mann, thomas alan, thomas manns
3.2 thomas » 2.2 thomas, 4.2 thomas, 3.2.3 thomas

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

• Adding a wildcard symbol may retrieve word variants: technology a information 3.2 thomas land pension systems leur developpement en afrique.*.