Perhaps you should try some spelling variations:
communication 3.3.4 » communication 2.3.4, communication 3.3.1, communication 3.4.4
true communication » truth communication, time communication, stroke communication
development east » development southeast, development 1
east afrique » east africa, east african, en afrique
3.3.4 a » 3.3.4 _, 3.3.4 das
39 10 » 379 10, 3 10, 19 10
9 10 » _ 10, 9 11

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 _ interaction ((39 10) OR (9 10)) true communication 3.3.4 a development east afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology _ interaction ((39 10) OR (9 10)) true communication 3.3.4 a development east afrique.*.