Perhaps you should try some spelling variations:
pain longer » pain long
wang yong » wang yang, wang hyoung, wang shiyong
hand pain » hand part, hand vein
longer do » longer _, longer a, long do
tuan hua » tuan vu, yuan hui
yin hand » yin hang, eine hand, die hand
tan hua » wang hua, tan chia, tan puay

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yong) or (wang yan)) ((tuan hua) or (tan hua)) yin hand pain longer do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yong) OR (wang yan)) ((tuan hua) OR (tan hua)) yin hand pain longer do ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yong) or (wang yan)) ((tuan hua) or (tan hua)) yin hand pain longer do ;*.