Perhaps you should try some spelling variations:
region's tax » regional tax, regions ten
take china » lake china, trade china, state china
china han » china hand, china has, china chang
tax take » tax table, tax base, tax tax
ya a » y a, ye a, yu a
a a » a la
wang » wing, wan
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((wang or lang) yan) or (dong sin)) ((ya a) or (a a)) region's tax take china han ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((wang OR lang) yan) OR (dong sin)) ((ya a) OR (a a)) region's tax take china han ;.
• Adding a wildcard symbol may retrieve word variants: (((wang or lang) yan) or (dong sin)) ((ya a) or (a a)) region's tax take china han ;*.