Perhaps you should try some spelling variations:
brink risking » brink rising
risking cost » rising cost, rising costs, trucking cost
wan yanling » wang yanling, wang yangming, wang danning
a brink » _ brink, a brick, a brisk
how sub » flow sub, how slum
how sun » how sound, how slum
ka a » kai a, a a, k a
sin » sign, sind, skin

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: ((wan yanling) OR (dong sin)) ka a brink risking cost ((how sub) OR (how sun)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((wan yanling) or (dong sin)) ka a brink risking cost ((how sub) or (how sun)) ;*.