Perhaps you should try some spelling variations:
teaching jiao » teaching jam, teaching aids, teaching a
tan china's » can china's, dan china's, sen china's
thing jiao » thing fifo
tong shui » tong hui, cong shu
dann bin » dong bin
gong hui » tong hui, wang hui, gong si
bin tan » tin tan, bin dann, bin mean

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: dann bin tan china's rural ((thing jiao) OR (teaching jiao)) ((tong shui) OR (gong hui)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dann bin tan china's rural ((thing jiao) or (teaching jiao)) ((tong shui) OR (gong hui)) ;~".
• Adding a wildcard symbol may retrieve word variants: dann bin tan china's rural ((thing jiao) or (teaching jiao)) ((tong shui) OR (gong hui)) ;*.