Perhaps you should try some spelling variations:
personal communication » interpersonal communication
developing areas » developing asia, developing east, developing a
information 1 » information 2, information 3, information 3.2
des personal » des personals, der personal, das personal
3 developing » 3 development
areas africa » arabs africa, dress africa, farmers africa
costs 3 » costs _, costs 4, costs a
1 des » 1 das, 1 der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 1 des personal communication costs 3 developing areas africa.*.