Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
wang than » wang shawn, wang yan, wang ban
xiang wei » liang wei, zhang wei, wang wei
oil real » oil coal, oil rent
liang li » ling li, qiang li, liang wei
hong hai » shang hai, zhong tai, dang hai
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 ((wang than) or (wang yuhan)) oil real ((liang li) or (xiang wei)) ((hong hai) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((wang than) OR (wang yuhan)) oil real ((liang li) OR (xiang wei)) ((hong hai) OR (hong yu)) ;.
• Adding a wildcard symbol may retrieve word variants: wang ((wang than) or (wang yuhan)) oil real ((liang li) or (xiang wei)) ((hong hai) or (hong yu)) ;*.