Talvez debería tentar con algunhas variantes ortográficas:
communication information » communication international, communication education
information practice » information package, information extraction, information processes
practice directional » practice directions, predictive directional, practice dictionary
databases encoding » databases enhancing, databases finding, databases binding

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

• If you are trying to use Boolean operators, they must be ALL CAPS: communication information practice directional ((databases bncod) OR (databases encoding))~.
• Adding a wildcard symbol may retrieve word variants: communication information practice directional ((databases bncod) or (databases encoding))*.