Perhaps you should try some spelling variations:
wang yang » wang liang, wang yanling
based tax » based task
due debt » does debt, run debt, do debt
wong yue » wang yue, hong yu
bad tax » board tax, land tax, road tax
yang » ryang
yan » ryan
ryana » rryana
pure » pre

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yang) or (wang yan)) ryana ((due debt) OR (pure debt)) ((bad tax) or (based tax)) wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (wang yan)) ryana ((due debt) OR (pure debt)) ((bad tax) OR (based tax)) wong yue ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (wang yan)) ryana ((due debt) OR (pure debt)) ((bad tax) or (based tax)) wong yue ;".
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (wang yan)) ryana ((due debt) OR (pure debt)) ((bad tax) or (based tax)) wong yue ;*.