Perhaps you should try some spelling variations:
communication cross » communication costs
information cause » information case, information use, information classes
ec communication » de communication, 3 communication, 4 communication
doha development » a development, 2 development
development 13.1 » development 1.3.1, development 3.1, development 1.1
ark information » bank information, pack information, lack information
technology ark » technology park, technology parks, technology a
13.1 project » 3.1 project, 1.1 project, 11.1 project
cause from » case from, use from, abuse from
cross doha » cross data, cross domain
from ec » from eco, from eac, from e

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

• Adding a wildcard symbol may retrieve word variants: technology ark information cause from ec communication cross doha development 13.1 project.*.