Perhaps you should try some spelling variations:
wan yanling » wang yanling, wang yangming, wang danning
china data » china update, chinese data
amin shang » amin hong, anming zhang
china dan » china den, china due, china daqing
yang amin » yang jin, yang lin, yang mind
shang hai » shang kai, dang hai, chang ha

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: wan yanling tuan ((((china dan) OR (china des))) OR (china data)) yang amin shang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yanling tuan ((((china dan) OR (china des))) or (china data)) yang amin shang hai ;~".
• Adding a wildcard symbol may retrieve word variants: wan yanling tuan ((((china dan) OR (china des))) or (china data)) yang amin shang hai ;*.