Perhaps you should try some spelling variations:
davis ian » david ian, davis ray, davidson ian
wan wang » yan wang, wang yang, qian wang
wen wang » wei wang, chen wang, weng fang
yang li » yang lin, yang xi, yang yi
a davis » _ davis, m davis, a david
ian hai » dang hai
form a » form _, reform a

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 (wen wang)) ((yang li) OR (yang di)) form a davis ian hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan wang) OR (wen wang)) ((yang li) OR (yang di)) form a davis ian hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan wang) or (wen wang)) ((yang li) OR (yang di)) form a davis ian hai ;*".