Perhaps you should try some spelling variations:
irene han » irene a
zhang yan » zhang fan, zhang jian, wang yan
wong shiu » wong siu, cong shu, wong sau
wang hui » wang hua, wang zhi, wang wei
yang xi » yang di, yang yi, yang jui
han min » han men, kan min, chan ming
shin » skin, sein, thin

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

• Performing a fuzzy search may retrieve terms with similar spellings: zhang yan ((wang hui) or (yang xi)) irene han min ((wong shiu) OR (song shin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: zhang yan ((wang hui) OR (yang xi)) irene han min ((wong shiu) OR (song shin)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "zhang yan ((wang hui) or (yang xi)) irene han min ((wong shiu) OR (song shin)) ;".
• Adding a wildcard symbol may retrieve word variants: zhang yan ((wang hui) or (yang xi)) irene han min ((wong shiu) OR (song shin)) ;*.