Perhaps you should try some spelling variations:
communication 2.3.8 » communication 2.3.3, communication 2.3.4, communication 12.3.3
true communication » truth communication, time communication, stroke communication
development east » development southeast, development 1
das development » dams development, gas development, does development
2 interaction » 3 interaction, 3.2 interaction, 3.1 interaction
technology 2 » technology _, technology 1, technology 3
east afrique » east africa, east african, en afrique
2.3.8 das » 2.3.1 das, 2.3.2 das, 2.3.3 das
1 10 » 1 1, 9 10, 7 10
_ 10 » _ 1

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technology 2 interaction ((1 10) OR (_ 10)) true communication 2.3.8 das development east afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology 2 interaction ((1 10) OR (_ 10)) true communication 2.3.8 das development east afrique.*.