Perhaps you should try some spelling variations:
machine aids » machine minds, machine ages, machine arts
long green » going green, long grain
4 machine » a machine
yang jui » yang di, yang xi
green 4 » green 41, green _, green a
yang yi » yang di, yang xi
judy » july
wang » wing, lang

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: long green 4 machine aids ((((yang jui) OR (yang yi))) OR (yang judy)) (wang OR wan) hua ;~.
• Adding a wildcard symbol may retrieve word variants: long green 4 machine aids ((((yang jui) or (yang yi))) or (yang judy)) (wang or wan) hua ;*.