Perhaps you should try some spelling variations:
training risk » trading risk, training crisis, defining risk
training work » training women, training workshop
training cost » training costs, training course, training courses
dong yang » dong hoang, wang yang, yang yang
y rural » a rural, 2 rural, 4 rural
yang y » yang yi, yang _, yang 8
cong » congo, long, hong

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

• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang y rural credit ((((training risk) OR (training work))) OR (training cost)) cong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang y rural credit ((((training risk) OR (training work))) or (training cost)) cong shu ;~".
• Adding a wildcard symbol may retrieve word variants: dong yang y rural credit ((((training risk) OR (training work))) or (training cost)) cong shu ;*.