Perhaps you should try some spelling variations:
plant lice » plant life
only coal » only local
zhang zhi » zhong zhi, wang zhi, zhang wei
can only » can one
plant li » plant life, plant oil, plant mix
wang yue » wong yue, wang hua, wang he
yan can » yan clan, man can, yan cong

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 can only coal ((plant li) OR (plant lice)) ((zhang zhi) OR (wang yue)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan can only coal ((plant li) OR (plant lice)) ((zhang zhi) OR (wang yue)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yan can only coal ((plant li) OR (plant lice)) ((zhang zhi) OR (wang yue)) ;*.