Perhaps you should try some spelling variations:
communication abstraction » communication abstractions, communication abstracts, communication extraction
abstraction data » abstract data, abstraction a, abstraction based
data dimensional » data dimension, data dimensions, meta dimensional
from camel » from camera, from cases, from cape
from cave » from cape, from cases, from cause

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication abstraction data dimensional ((((from cave) OR (from camel))) or (from case))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication abstraction data dimensional ((((from cave) OR (from camel))) OR (from case)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "communication abstraction data dimensional ((((from cave) OR (from camel))) or (from case))".
• Adding a wildcard symbol may retrieve word variants: communication abstraction data dimensional ((((from cave) OR (from camel))) or (from case))*.