Perhaps you should try some spelling variations:
standing cost » standing out, staffing costs, trading cost
lang yanling » wang yanling, wang yangming, zhang yunling
equal credit » equity credit, rural credit, total credit
dual credit » rural credit, deals credit, du credit
ayala » ayana
cong » congo, long, hong

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yanling ayala ((dual credit) or (equal credit)) standing cost cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yanling ayala ((dual credit) OR (equal credit)) standing cost cong shu ;*.