Perhaps you should try some spelling variations:
yan guan » gan guan, yang guang, yihan guan
yan yuan » fang yuan, yan clan, yan kun
nan yan » nan ya, wang yan, qian yan
can one » than one, can only
1 gene » 11 gene, a1 gene, l1 gene
a gene » a genre, a gender, a gentle
w can » w chan, _ can, 3 can
wang » wing, wan, lang
sau » saur, sabu, saul

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan guan) OR (((yan yuan) OR (nan yan)))) ((1 gene) OR (a gene)) w can one sau ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan guan) or (((yan yuan) OR (nan yan)))) ((1 gene) or (a gene)) w can one sau ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yan guan) or (((yan yuan) OR (nan yan)))) ((1 gene) or (a gene)) w can one sau ;*.