Perhaps you should try some spelling variations:
john charles » cohen charles, jean charles, von charles
charles yuan » charles ian, charles ivan, charles ryan
yuan cheng » yuan chang, huang cheng, yu cheng
turn john » turner john, stern john, turri john
yang jin » yang jie, yang jun, ying jin
yang li » yang lin, yang xi, tang li
yang yi » yang xi, yang jui
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: turn john charles yuan cheng ((((yang li) or (yang jin))) or (((yang di) or (yang yi)))) dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: turn john charles yuan cheng ((((yang li) OR (yang jin))) OR (((yang di) OR (yang yi)))) dang hai ;.
• Adding a wildcard symbol may retrieve word variants: turn john charles yuan cheng ((((yang li) or (yang jin))) or (((yang di) or (yang yi)))) dang hai ;*.