Perhaps you should try some spelling variations:
piwang lin » ping lin
wang hong » wang yong, wang hyoung, wang lihong
shang hai » shang kai, dang hai, chang ha
wang lin » wang li, wang qin, yang lin
liang li » ling li, qiang li, liang wei
lang li » ling li, tang li, wang li
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang hong ((wang lin) or (piwang lin)) rent ((lang li) OR (liang li)) ((shang hai) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang hong ((wang lin) OR (piwang lin)) rent ((lang li) OR (liang li)) ((shang hai) OR (hong yu)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hong ((wang lin) or (piwang lin)) rent ((lang li) OR (liang li)) ((shang hai) or (hong yu)) ;".
• Adding a wildcard symbol may retrieve word variants: wang hong ((wang lin) or (piwang lin)) rent ((lang li) OR (liang li)) ((shang hai) or (hong yu)) ;*.