Perhaps you should try some spelling variations:
tuning system » funding system, using system, training system
li tuning » iii tuning, pid tuning, _ tuning
wing tan » wing ian, liang tan, hong tan
yang jui » yang judy, yang xi, yang yi
jin yang » jin ying, yin yang, jin chang
jin kang » jin chang, jin kyung, jing fang
yi li » yi lai, yi lin, yin li

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: ((wing tan) OR (((yang jui) OR (yang di)))) zhang ((jin yang) OR (jin kang)) yi li tuning system ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing tan) or (((yang jui) or (yang di)))) zhang ((jin yang) OR (jin kang)) yi li tuning system ;~".
• Adding a wildcard symbol may retrieve word variants: ((wing tan) or (((yang jui) or (yang di)))) zhang ((jin yang) OR (jin kang)) yi li tuning system ;*.