Perhaps you should try some spelling variations:
qian wang » yiqian wang, qian rong, qian yan
david ian » david a, david n
wan wang » wen wang, wang yang, yuan wang
yan wang » yuan wang, yang yang, yan liang
yan zili » yang zili, yan zhi, yan zi
ian hai » dang hai
form a » form _, reform a
form i » form _, reform i

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((wan wang) OR (qian wang))) or (yan wang)) yan zili ((form a) or (form i)) david ian hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wan wang) OR (qian wang))) OR (yan wang)) yan zili ((form a) OR (form i)) david ian hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wan wang) OR (qian wang))) or (yan wang)) yan zili ((form a) or (form i)) david ian hai ;*".