Perhaps you should try some spelling variations:
yanling jan » mendling jan
one gene » gene gene, one agent, e gene
gene can » genes can, genre can, genome can
can only » can one
jan a » jane a, can a, jan m
a one » _ one
wang » wing, lang
saul » paul, saur, raul

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 OR wan) yanling jan a one gene can only saul ;~.
• Adding a wildcard symbol may retrieve word variants: (wang or wan) yanling jan a one gene can only saul ;*.