Perhaps you should try some spelling variations:
clone than » closer than
gene clone » gene one
wang man » wang yan, wang ban, wang yang
wang dan » wang yan, wang ban, wang yidan
one mail » one mailer, e mail, one man
a gene » a genre, a gender, a gentle
hat a » what a, chat a, hat ja

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 man) OR (wang dan)) hat a gene clone than one mail ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang man) or (wang dan)) hat a gene clone than one mail ;*.