Perhaps you should try some spelling variations:
sort sprache » wort sprache, portal sprache, mit sprache
world sort » world some, world so, world set
two world » two worlds
1808 two » 18 two, 1.8 two, 13.8 two
ii third » iii third, 7 third, 8 third
6 third » 3 third, 5 third

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: 1808 two world sort sprache ((ii third) OR (6 third)).
• Adding a wildcard symbol may retrieve word variants: 1808 two world sort sprache ((ii third) or (6 third))*.