Perhaps you should try some spelling variations:
weng fang » wen wang
jing fang » jia fang, jin kang, yin fang
yang zili » yang dali, yang li
david ian » david a, david n
yang iii » klang iii, zwang iii, yang di
ian hai » dang hai
form i » form _, reform i
form a » form _, reform a

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: ((weng fang) OR (jing fang)) ((yang iii) OR (yang zili)) ((form i) OR (form a)) david ian hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((weng fang) or (jing fang)) ((yang iii) or (yang zili)) ((form i) OR (form a)) david ian hai ;~".
• Adding a wildcard symbol may retrieve word variants: ((weng fang) or (jing fang)) ((yang iii) or (yang zili)) ((form i) OR (form a)) david ian hai ;*.