Perhaps you should try some spelling variations:
things zhang » things change, things sharing, cheng zhang
wang liang » wang yang
zhang doug » zeng doug, zhang hong, zhang rong
wang ning » wang jing, wang yang, wang yong
jia smart » via smart, a smart, la smart
die smart » der smart
doug bin » dong bin, dort bin, org bin

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

• Performing a fuzzy search may retrieve terms with similar spellings: yan ((wang liang) or (wang ning)) ((jia smart) OR (die smart)) things zhang doug bin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yan ((wang liang) OR (wang ning)) ((jia smart) OR (die smart)) things zhang doug bin ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yan ((wang liang) or (wang ning)) ((jia smart) OR (die smart)) things zhang doug bin ;*".