Perhaps you should try some spelling variations:
training visit » training crisis, training asia, training vet
training test » training team, training type
trading case » trading costs, trade case
wang yang » wang yan, wang liang, wang yanling
a credit » bad credit
yang yi » yang di, yang xi, yang jui
yi a » kyi a, yi ta, i a

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 yi a credit ((trading case) or (((training visit) or (training test)))) cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yi a credit ((trading case) OR (((training visit) OR (training test)))) cong shu ;.
• Adding a wildcard symbol may retrieve word variants: wang yang yi a credit ((trading case) or (((training visit) or (training test)))) cong shu ;*.