Perhaps you should try some spelling variations:
qian wang » yiqian wang, qian rong, qian yan
yang dali » yang di, yang li, yang zili
david ian » david a, david n
yang all » wang all, yang li
bang dai » zhang dai
a david » 2 david, a davis, de 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: qian wang ((((yang dali) OR (yang all))) or (bang dai)) form a david ian hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: qian wang ((((yang dali) OR (yang all))) OR (bang dai)) form a david ian hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian wang ((((yang dali) OR (yang all))) or (bang dai)) form a david ian hai ;*".