Perhaps you should try some spelling variations:
international space » international service, international series, international summer
space dimensions » space dimension, spatial dimensions, three dimensions
array arcing » array forming, array probing, array sharing
array string » array strong, arrays strings, array sharing
array long » array along, arrays long, array strong
competition » composition

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

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