Perhaps you should try some spelling variations:
wang liang » wang yang
liang tan » liang dan, liang sun, wing tan
one gene » gene gene, one agent, e gene
game set » same set, game meat, game best
und abu » und tabu, und ab, und abbau
und abs » und ab
tan a » tan ah, can a, tan _

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang tan a ((((some more) or (one gene))) or (game set)) gang ((und abu) OR (und abs)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang tan a ((((some more) OR (one gene))) OR (game set)) gang ((und abu) OR (und abs)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang tan a ((((some more) or (one gene))) or (game set)) gang ((und abu) OR (und abs)) ;*".