Perhaps you should try some spelling variations:
access trading » access creating, access pricing, access trade
access fading » access using, cross fading
cost having » cost saving, cost savings, cost sharing
wei yang's » yiwei wang's
wang wei » zhang wei, wang zhi
hua cost » a cost, eu cost, run cost

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wei yang's hua cost having ((access fading) OR (access trading)) shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang wei yang's hua cost having ((access fading) OR (access trading)) shu ;*.