Perhaps you should try some spelling variations:
lang yanling » wang yanling, wang yangming, zhang yunling
china chang » chin chang, china zhang, china changqi
than china » tuan china, wuhan china, can china
boon chong » boon siong, joon chang
han china » hang china, can china, dan china
data pang » data plane, data part, data plan

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: lang yanling ((han china) OR (than china)) data pang ((boon chong) OR (china chang)) hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yanling ((han china) OR (than china)) data pang ((boon chong) or (china chang)) hai ;~".
• Adding a wildcard symbol may retrieve word variants: lang yanling ((han china) OR (than china)) data pang ((boon chong) or (china chang)) hai ;*.