Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, wang yang
dong yang » dong hoang, wang yang, yang yang
shang hai » shang kai, dang hai, chang ha
yang li » yang lin, yang di, yang xi
li rent » oil rent
lang li » liang li, ling li, tang 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 dong yang li rent lang li ((shang hai) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang dong yang li rent lang li ((shang hai) OR (hong yu)) ;.
• Adding a wildcard symbol may retrieve word variants: wang dong yang li rent lang li ((shang hai) or (hong yu)) ;*.