Perhaps you should try some spelling variations:
trade control » train control, state control, price control
tender congo » trade congo
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
mali one » mali money, small one
one spur » die spur
yang ka » yang fan, yang yao

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yang ka ((tender congo) or (trade control)) mali one spur ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang ka ((tender congo) OR (trade control)) mali one spur ;*.