Perhaps you should try some spelling variations:
based cropping » mixed cropping, based costing
cropping using » mapping using, cracking using, cropping looking
line based » fire based, rice based
dong sind » dong sin, dong bin, dong ping
fan wang » yan wang, qian wang, yuan wang
yan line » main line, bank line, many line
dort von » ort von, hort von, art von
dort bin » dort hin, dong bin, dort ii

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: fan wang yan line based cropping using ((((dort von) OR (dort bin))) OR (dong sind)) ;~.
• Adding a wildcard symbol may retrieve word variants: fan wang yan line based cropping using ((((dort von) or (dort bin))) or (dong sind)) ;*.