Perhaps you should try some spelling variations:
yang qiang » yang liang, wang liang, yang yang
think zeng » think long
wang yang » wang yan, wang liang, wang yanling
zeng doug » jeng dong, zeng douglas
niu last » die last, i last
his last » als last, his host, his land
doug di » dong di

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 qiang ((niu last) OR (his last)) think zeng doug di ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang qiang ((niu last) OR (his last)) think zeng doug di ;*".