Perhaps you should try some spelling variations:
international literature » international gesture, international league, international nomenclature
international litigation » international unification, international integration, international obligations
1720 early » 1727 early, 1770 early, 1722 early

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

• If you are trying to use Boolean operators, they must be ALL CAPS: %((international literature) OR (international litigation)) %((1720 early) OR (1820 early)) works to 1800%22*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((international literature) OR (international litigation)) %((1720 early) or (1820 early)) works to 1800%22*".