Perhaps you should try some spelling variations:
regional tax » regional taxes, region's tax, regional tfp
dong sind » dong sin, dong bin, dong ping
tas shang » gao shang
shang hai » shang kai, dang hai, chang ha
dong di » dong sin
tax tas » tax tax, tax traps, tax base
y a » y la
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) or (dong sind)))) y a regional tax tas shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((wang OR lang) yan) OR (((dong di) OR (dong sind)))) y a regional tax tas shang hai ;.
• Adding a wildcard symbol may retrieve word variants: (((wang or lang) yan) or (((dong di) or (dong sind)))) y a regional tax tas shang hai ;*.