Perhaps you should try some spelling variations:
standing cost » standing out, staffing costs, trading cost
deals credit » dealer credit, des credit, default credit
dual credit » rural credit, equal credit, du credit
cost congo » cost control
congo shu » cong shu
yang yao » yang yang, wang yan, yang yi
yao yang » yang yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang yao yang ((dual credit) OR (deals credit)) standing cost congo shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang yao yang ((dual credit) OR (deals credit)) standing cost congo shu ;*".