Perhaps you should try some spelling variations:
communication cost » communication cross, communication control, communication concepts
communication case » communication channels, communication culture
tio2 dimensions » time dimensions, 2 dimensions, five dimensions
image spaces » image space, image stacks, image states
image bites » image bit, image united, image states

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((communication cost) OR (communication case)) tio2 dimensions ((image bites) or (image spaces))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((communication cost) OR (communication case)) tio2 dimensions ((image bites) OR (image spaces)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((communication cost) OR (communication case)) tio2 dimensions ((image bites) or (image spaces))".
• Adding a wildcard symbol may retrieve word variants: ((communication cost) OR (communication case)) tio2 dimensions ((image bites) or (image spaces))*.