Perhaps you should try some spelling variations:
training course » training courses
equal credit » dual credit, equity credit, rural credit
trading case » trading costs, trade case
wang jiang » wang liang, wang jing, wang ning
wang yang » wang yan, wang liang, wang yanling
tong shui » tong hui, cong shu, gong hui
ye equal » one equal, _ equal, 6 equal

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang jiang) OR (wang yang)) ye equal credit ((trading case) or (training course)) tong shui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang jiang) OR (wang yang)) ye equal credit ((trading case) OR (training course)) tong shui ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang jiang) OR (wang yang)) ye equal credit ((trading case) or (training course)) tong shui ;".
• Adding a wildcard symbol may retrieve word variants: ((wang jiang) OR (wang yang)) ye equal credit ((trading case) or (training course)) tong shui ;*.