Perhaps you should try some spelling variations:
china stein » china shen, china step, china stemming
yuan chang » yuan cheng, huang chang, han chang
china teil » china term, china text, china peilei
chang can » change can, chang chuan, changes can
wang wei » zhang wei, wang zhi
gong di » dong di, gong si, long did

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan chang can ((china stein) OR (china teil)) gong di ((wang yan) or (wang wei)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan chang can ((china stein) OR (china teil)) gong di ((wang yan) OR (wang wei)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan chang can ((china stein) OR (china teil)) gong di ((wang yan) or (wang wei)) ;".
• Adding a wildcard symbol may retrieve word variants: yuan chang can ((china stein) OR (china teil)) gong di ((wang yan) or (wang wei)) ;*.