Perhaps you should try some spelling variations:
sharing john » sharing our, bowring john, sharing food
rent sharing » risk sharing, rent seeking, cost sharing
wing yan » wang yan, wing ian, wing tan
bonn sam » bonn am, bonn zum, bonn a
yan hua » ya hua, wang hua, tuan hua
tan hua » tuan hua, wang hua, tan chia

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan ((yan hua) or (tan hua)) rent sharing john bonn sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan ((yan hua) OR (tan hua)) rent sharing john bonn sam ;*.