Perhaps you should try some spelling variations:
ngai zhong » ngai hang, gao zhong
longer do » longer _, longer a, long do
hadi chua » hai chuan
zhong zhi » zhang zhi, hong ghi, zhong tai
tee chan » lee chang, see chak
see chap » see what
long du » long d, long do, long run

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: ((long du) OR (longer do)) hadi chua ((tee chan) OR (see chap)) ngai zhong zhi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((long du) or (longer do)) hadi chua ((tee chan) OR (see chap)) ngai zhong zhi ;~".
• Adding a wildcard symbol may retrieve word variants: ((long du) or (longer do)) hadi chua ((tee chan) OR (see chap)) ngai zhong zhi ;*.