Perhaps you should try some spelling variations:
formen eines » form eines, formen des, rahmen eines
yang liang » wang liang, yan liang, yang yang
liang dali » liang dan, liang li, yang dali
form einer » form eines
wang yang » wang yan, wang liang, wang yanling
form die » formel die, formen die, former die
a hai » _ hai, a ham

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang liang dali ((form die) or (((form einer) OR (formen eines)))) david a hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang liang dali ((form die) OR (((form einer) OR (formen eines)))) david a hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang liang dali ((form die) or (((form einer) OR (formen eines)))) david a hai ;*".