Perhaps you should try some spelling variations:
wang yidan » wang yan
zhang yan » zhang fan, zhang jian, wang yan
yan liang » yang liang, wang liang, you liang
liang tan » liang dan, liang sun, wing tan
wang dan » wang yan, wang ban, wang yang
co zhang » ceo zhang, hao zhang, _ zhang
how co » how cios, how ceos, how cool

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 dan) OR (wang yidan))) OR (long (haul OR paul))) plans how co zhang yan liang tan ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wang dan) OR (wang yidan))) or (long (haul or paul))) plans how co zhang yan liang tan ;~".
• Adding a wildcard symbol may retrieve word variants: ((((wang dan) OR (wang yidan))) or (long (haul or paul))) plans how co zhang yan liang tan ;*.