Perhaps you should try some spelling variations:
communication foundation » communication education, communication communication, communication information
foundation data » foundations data, foundation japan, foundation a
data dimensions » data dimension, data dimensional, dark dimensions
emission levels » emission lines, emission models, expression levels
session level » mission level, decision level, aversion level

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication foundation data dimensions ((emission levels) or (session level))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication foundation data dimensions ((emission levels) OR (session level)).
• Adding a wildcard symbol may retrieve word variants: communication foundation data dimensions ((emission levels) or (session level))*.