Perhaps you should try some spelling variations:
personal communication » interpersonal communication
developing bank's » development bank's, developing china's, developing areas
technologies 4 » technologies _
4 information » 2 information, 1 information
bank's africa » banking africa
de personal » der personal, des personal, de persona
about de » about due, about dead, about debt

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information about de personal communication costs _ developing bank's africa.*.