Perhaps you should try some spelling variations:
communication information » communication international, communication education
information quantity » information quality, information quantities, information quantum
quantity dimensions » quality dimensions, quality dimension, anxiety dimensions
databases invited » databases united, databases induced, datasets invited
database invited » databases united, database limited, database assisted

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