Perhaps you should try some spelling variations:
communication information » communication international
communication education » community education, communication communication
quantity dimensions » quality dimensions, quality dimension, anxiety dimensions
dimensions database » dimensional database, dimensional databases, decisions database
database invited » databases invited, databases united, database limited

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((communication information) OR (communication education)) quantity dimensions database invited~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((communication information) OR (communication education)) quantity dimensions database invited".
• Adding a wildcard symbol may retrieve word variants: ((communication information) OR (communication education)) quantity dimensions database invited*.