Perhaps you should try some spelling variations:
things zhang » things change, things sharing, cheng zhang
things zeng » things end, things using
time last » time list, time past, time lost
tan yong » tan hong, tan kong, tan yang
yong cai » dong cao, yong c, yong wah
cai time » ii time, iii time, das time
doug bin » dong bin, dort bin
org bin » dong bin, dort bin

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

• Performing a fuzzy search may retrieve terms with similar spellings: tan yong cai time last ((things zeng) OR (things zhang)) ((doug bin) or (org bin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tan yong cai time last ((things zeng) OR (things zhang)) ((doug bin) OR (org bin)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tan yong cai time last ((things zeng) OR (things zhang)) ((doug bin) or (org bin)) ;*".