Perhaps you should try some spelling variations:
wang tang » wang yang, wang liang, wang yan
tang tang » taizong tang
hua irene » hua ren
irene anh » irene a
minh tong » minh cong, dinh tung, ming kong
min hong » amin hong, tin hong, min hyoung
yi hua » li hua, ya hua, yi hui

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang tang) OR (tang tang)) yi hua irene anh ((minh tong) OR (min hong)) hui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang tang) or (tang tang)) yi hua irene anh ((minh tong) OR (min hong)) hui ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang tang) or (tang tang)) yi hua irene anh ((minh tong) OR (min hong)) hui ;*.