Perhaps you should try some spelling variations:
housing united » housing units
china annual » miga annual
united using » unwanted using, united mine, tested using
china dual » china due
dong wing » dong ping, dong sin, dong bin
using sha » using sia, using share, using soap
dong di » dong sin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong wing) or (dong di)) can ((china dual) OR (china annual)) housing united using sha ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong wing) OR (dong di)) can ((china dual) OR (china annual)) housing united using sha ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong wing) or (dong di)) can ((china dual) OR (china annual)) housing united using sha ;*".