Perhaps you should try some spelling variations:
machine 13.6 » machine 3.2, machine 2.6, machine 3.4
man machine » human machine, a machine, ai machine
sdgs human » das human, des human, sts human
dong bin » dong di, dann bin
kong eiu » tonga eiu
1 human » 2 human
3 human » 2 human

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong bin) or (dong sin)) ((((1 human) or (3 human))) or (sdgs human)) man machine 13.6 kong eiu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong bin) OR (dong sin)) ((((1 human) OR (3 human))) OR (sdgs human)) man machine 13.6 kong eiu ;.
• Adding a wildcard symbol may retrieve word variants: ((dong bin) or (dong sin)) ((((1 human) or (3 human))) or (sdgs human)) man machine 13.6 kong eiu ;*.