Perhaps you should try some spelling variations:
yugang ninh » quang ninh
chen yugang » chen huigang, chen yang, chen yulan
ninh thang » binh thang, binh thanh
wang yang » wang yan, wang liang, wang yanling
yang jui » yang judy, yang yi
hra chen » hua chen, a chen, ern chen
yang xi » yang yi
thang c » chang c, anhang c, thang vo
png a » png _, lng a, peg a

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 yang) OR (yang di))) OR (((yang xi) OR (yang jui))))png a hra chen yugang ninh thang c ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wang yang) or (yang di))) or (((yang xi) or (yang jui))))png a hra chen yugang ninh thang c ;*.