Perhaps you should try some spelling variations:
can plant » coal plant, gas plant, a plant
yan yang » yang yang, dan yang, tan yang
yao yang » yang yang
plant li » plant life, plant lice, plant oil
hong hai » shang hai, zhong tai, dang hai
wong yue » wang yue
oil can » oil cake, oil chad, oil coal
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yan yang) or (yao yang)) oil can plant li ((hong hai) or (((hong yu) OR (wong yue)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan yang) OR (yao yang)) oil can plant li ((hong hai) OR (((hong yu) OR (wong yue)))) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yang) or (yao yang)) oil can plant li ((hong hai) or (((hong yu) OR (wong yue)))) ;".
• Adding a wildcard symbol may retrieve word variants: wang ((yan yang) or (yao yang)) oil can plant li ((hong hai) or (((hong yu) OR (wong yue)))) ;*.