Perhaps you should try some spelling variations:
liang dali » liang dan, liang li, yang dali
form dier » form der, form einer, form des
david ian » david a, david n
wan wang » yan wang, wang yang, qian wang
wen wang » wei wang, chen wang, weng fang
form die » formel die, formen die, former die
ian hai » dang hai

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