Perhaps you should try some spelling variations:
knowing about » known about, know about
knowing your » growing your, know your, keeping your
zhang ting » zhang ming, zhang jing, zhang ping
dong skin » dong sin, dong bin, dof skin
line li » line hi, line log, line pll
li best » i best, als best, cio best
yuqin » yuqing, yuxin, suqin

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

• Performing a fuzzy search may retrieve terms with similar spellings: zhang yuqin line li best zhang ting ((((knowing your) OR (knowing about))) or (dong skin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: zhang yuqin line li best zhang ting ((((knowing your) OR (knowing about))) OR (dong skin)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "zhang yuqin line li best zhang ting ((((knowing your) OR (knowing about))) or (dong skin)) ;*".