Perhaps you should try some spelling variations:
wang liang » wang yang
yan liang » yang liang, you liang, yan wang
longer do » longer _, longer a
tuan hua » tan hua, tuan vu, yuan hui
zum gang » zum umgang
yi gang » ii gang, i gang, li gang
long do » long d, long du, long ago

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan liang) or (wang liang)) tuan hua ((yi gang) or (zum gang)) 3.2 ((long do) OR (longer do)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (wang liang)) tuan hua ((yi gang) OR (zum gang)) 3.2 ((long do) OR (longer do)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan liang) or (wang liang)) tuan hua ((yi gang) or (zum gang)) 3.2 ((long do) OR (longer do)) ;*".