Perhaps you should try some spelling variations:
machine 13.6 » machine 3.2, machine 2.6, machine 3.4
dong skin » dong sin, dong bin, dof skin
das human » des human, does human, sdgs human
4 machine » a machine
dann bin » dong bin
ya human » a human, 2 human, 1 human
3 human » 2 human
13.6 ko » 13.6 how, 13.6 low
ko siu » kong siu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dann bin) or (dong skin)) ((((ya human) or (3 human))) or (das human)) 4 machine 13.6 ko siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dann bin) OR (dong skin)) ((((ya human) OR (3 human))) OR (das human)) 4 machine 13.6 ko siu ;.
• Adding a wildcard symbol may retrieve word variants: ((dann bin) or (dong skin)) ((((ya human) or (3 human))) or (das human)) 4 machine 13.6 ko siu ;*.