Perhaps you should try some spelling variations:
knowing about » known about, know about, knowing your
john knowing » how knowing, john bowring, john king
huang jing » huang ting, wang jing, huang bin
huang ying » huang ting, huang yang, huang bin
fang ri » fang wei, fang xia
l king » _ king, a king, j king
1 king » _ king

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: ((huang jing) OR (huang ying)) fang ri ((l king) OR (1 king)) john knowing about ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((huang jing) or (huang ying)) fang ri ((l king) OR (1 king)) john knowing about ;~".
• Adding a wildcard symbol may retrieve word variants: ((huang jing) or (huang ying)) fang ri ((l king) OR (1 king)) john knowing about ;*.