Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
liang chen » liang choon, chang chen, kang chen
wang yang » wang yan, wang liang, wang yanling
chen yang » chen rong
yang yang » wang yan
li cong » li rong, jiu cong
li song » li rong, kim song, jie song

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 liang chen yang yang ((li cong) OR (li song)) hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang liang chen yang yang ((li cong) or (li song)) hai ;*.