Perhaps you should try some spelling variations:
risk taking » risk sharing
taking case » making case, taking care, banking case
liang tan » liang dan, liang sun
wing tan » wing ian, hong tan, tin tan
case how » curse how, case h, else how
dong di » dong sin
how yu » how you, how your
et a » et al, et la, e a

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((wing tan) or (liang tan))) or (dong di)) et a risk taking case how yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wing tan) OR (liang tan))) OR (dong di)) et a risk taking case how yu ;.
• Adding a wildcard symbol may retrieve word variants: ((((wing tan) or (liang tan))) or (dong di)) et a risk taking case how yu ;*.