Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
gene jing » zeng jing
von sach » von fach, von sprach, von sa
jing ji » ying jin
ji von » ii von, ji won, si von
ya a » a a, y a, yu a
ye a » yet a, e a, me a
sin » sign, sind, skin

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) or (dong sin)) ((ya a) OR (ye a)) gene jing ji von sach ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (dong sin)) ((ya a) OR (ye a)) gene jing ji von sach ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (dong sin)) ((ya a) OR (ye a)) gene jing ji von sach ;*".