Perhaps you should try some spelling variations:
arbitration clauses » arbitration cases, arbitration rules
anti arbitration » party arbitration, icsid arbitration, state arbitration
key commercial » et commercial, jet commercial, le commercial
new commercial » non commercial, et commercial, jet commercial
code » mode, core

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

• Performing a fuzzy search may retrieve terms with similar spellings: (charter or character) anti arbitration clauses, ((key commercial) OR (new commercial)) code~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (charter OR character) anti arbitration clauses, ((key commercial) OR (new commercial)) code.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(charter or character) anti arbitration clauses, ((key commercial) OR (new commercial)) code".
• Adding a wildcard symbol may retrieve word variants: (charter or character) anti arbitration clauses, ((key commercial) OR (new commercial)) code*.