Perhaps you should try some spelling variations:
yanling jan » mendling jan
genre can » genre dans, genome can, genre a
gene can » genome can, gene bank, game can
only sur » only zur, only sort, only see
a gene » a genre, a gender, a gentle
jan a » jane a, can a, jan m
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yanling jan a gene ((((gene can) OR (genre can))) or (genes can)) only sur ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yanling jan a gene ((((gene can) OR (genre can))) OR (genes can)) only sur ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling jan a gene ((((gene can) OR (genre can))) or (genes can)) only sur ;".
• Adding a wildcard symbol may retrieve word variants: wang yanling jan a gene ((((gene can) OR (genre can))) or (genes can)) only sur ;*.