Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
shang hai » shang kai, dang hai, chang ha
wing yan » wang yan, wing ian, wing tan
yang jun » yang jui, pang jun, yang jin
hong hai » zhong tai, dang hai, hong tan
yan k » jan k, yan _, yan 4
k a » uk a
test » text, west, best

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 k a test ((yang jun) or (yuan wang)) ((hong hai) or (shang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan k a test ((yang jun) OR (yuan wang)) ((hong hai) OR (shang hai)) ;.
• Adding a wildcard symbol may retrieve word variants: wing yan k a test ((yang jun) or (yuan wang)) ((hong hai) or (shang hai)) ;*.