Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang ying » yang yang, yang jing, huang ying
sang minh » kang minah, anh minh, song min
ying hua » ming hua, wang hua, ying zhu
hua chen » jui chen, yu chen, a chen
jong min » gong min, song min, song ming
hong hai » shang hai, zhong tai, dang hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ying hua chen ((jong min) or (sang minh)) hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ying hua chen ((jong min) OR (sang minh)) hong hai ;*.