Perhaps you should try some spelling variations:
zhang yan » zhang fan, zhang jian, wang yan
hua irene » hua ren
irene han » irene a
lang yan » wang yan, wang yang, yang yang
yale hua » yale nus, ya hua
min cong » minh cong, min hong, min jeong
han min » han men, kan min, chan ming
cong yu » hong yu, rong yu, chong yun

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((lang yan) OR (zhang yan)) yale hua irene han min cong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang yan) OR (zhang yan)) yale hua irene han min cong yu ;".
• Adding a wildcard symbol may retrieve word variants: ((lang yan) OR (zhang yan)) yale hua irene han min cong yu ;*.