Perhaps you should try some spelling variations:
risiko sharing » risk sharing
sharing oil » sharing our, sharing big, sharing his
tan risiko » von risiko, das risiko
yan liang » yang liang, wang liang, you liang
liang tan » liang dan, liang sun, wing tan
zhong zhi » zhang zhi, hong ghi, zhong tai
long ago » long arm
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan liang tan risiko sharing oil ((zhong zhi) or (long ago)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan liang tan risiko sharing oil ((zhong zhi) OR (long ago)) ;*.