Perhaps you should try some spelling variations:
relation language » relations language, relational language, regulation language
26 grammar » 2 grammar, 6 grammar, 16 grammar
1771 early » 1778 early, 1770 early, 1791 early
1.1 early » 1791 early, 1761 early, 1701 early
11 early » 1791 early, 5 early, 8 early

Try widening your search to All Fields.

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: %relation language %26 grammar %((21 early) OR (((((2.1 early) OR (11 early))) OR (((1.1 early) OR (1771 early)))))) works to 1800%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%relation language %26 grammar %((21 early) or (((((2.1 early) OR (11 early))) or (((1.1 early) or (1771 early)))))) works to 1800%22".
• Adding a wildcard symbol may retrieve word variants: %relation language %26 grammar %((21 early) or (((((2.1 early) OR (11 early))) or (((1.1 early) or (1771 early)))))) works to 1800%22*.