Perhaps you should try some spelling variations:
communication reduction » communication prediction, communication education, communication section
reduction metric » reduction metrics, reduction centric, reduction eric
metric dimension » ethical dimension
image spaces » image space, image states, images space
image stacks » image space, image tricks
gate » gave, game, gale

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication reduction metric dimension ((image spaces) or (((image stacks) OR (gate stacks))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication reduction metric dimension ((image spaces) OR (((image stacks) OR (gate stacks)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "communication reduction metric dimension ((image spaces) or (((image stacks) OR (gate stacks))))".
• Adding a wildcard symbol may retrieve word variants: communication reduction metric dimension ((image spaces) or (((image stacks) OR (gate stacks))))*.