Perhaps you should try some spelling variations:
ideal plan » ideal place, real plan, federal plan
wang yang » wang yan, wang liang, wang yanling
oil ideal » oil real, six ideal
yang can » yang fan, yang dean, yang yang
wong yue » wang yue, hong yu
can oil » can soils, can only, corn oil
plan li » plan la, plan les, plan als

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 can oil ideal plan li ((dang hai) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang can oil ideal plan li ((dang hai) OR (wong yue)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yang can oil ideal plan li ((dang hai) or (wong yue)) ;*.