Perhaps you should try some spelling variations:
region's tax » regional tax, regions ten
a region's » _ region's, a regional
take cheng » ke cheng, take china, tan cheng
tax take » tax table, tax base, tax tax
cheng ha » cheng han, chang ha, cheng chu
dong di » dong sin
ya a » a a, y a, ye a
wang » wing, wan

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 di)) ya a region's tax take cheng ha ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((wang OR lang) yan) OR (dong di)) ya a region's tax take cheng ha ;.
• Adding a wildcard symbol may retrieve word variants: (((wang or lang) yan) or (dong di)) ya a region's tax take cheng ha ;*.