Perhaps you should try some spelling variations:
davis ian » david ian, davis ray, davidson ian
wan wang » wen wang, wang yang, qian wang
yan wang » yuan wang, yang yang, qian wang
yang li » yang lin, yang di, yang xi
form im » form i, form ii, reform im
ian hai » dang hai
form m » form _, form a, form 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 (yan wang)) yang li ((form m) OR (form im)) davis ian hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan wang) OR (yan wang)) yang li ((form m) OR (form im)) davis ian hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan wang) or (yan wang)) yang li ((form m) OR (form im)) davis ian hai ;*".