Perhaps you should try some spelling variations:
information spaces » information sources, information series, information services
chain dimensions » china dimensions, main dimensions, changing dimensions
array formulas » area formulas, harrop formulas, array format
spaces chain » space chair, spaces brain, spaces can
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, array sharing

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

• Performing a fuzzy search may retrieve terms with similar spellings: information spaces chain dimensions ((((array string) or (array formulas))) or (array arcing))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information spaces chain dimensions ((((array string) OR (array formulas))) OR (array arcing)).
• Adding a wildcard symbol may retrieve word variants: information spaces chain dimensions ((((array string) or (array formulas))) or (array arcing))*.