Perhaps you should try some spelling variations:
thing adding » phone adding, thing hiring, when adding
wang tan » wang yan, wang ban, wang dan
tan ying » fan ying, ran ying, tan yang
ii first » i first, 2 first, 3 first
ai first » i first, mali first, 2 first
dong bin » dong di, dann bin
sin » sign, sind, skin

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 tan ying ((ii first) OR (ai first)) thing adding ((dong bin) OR (dong sin)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang tan ying ((ii first) or (ai first)) thing adding ((dong bin) OR (dong sin)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang tan ying ((ii first) or (ai first)) thing adding ((dong bin) OR (dong sin)) ;*.