Perhaps you should try some spelling variations:
last think » last thing, last things
think zeng » think long
wang yang » wang yan, wang liang, wang yanling
zeng dong » jeng dong, zeng doug, zheng rong
lang 3 » klang 3, lang _, lang a
gang 3 » gang _, wang 3, zugang 3
sin » sign, sind, skin

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ((lang 3) OR (gang 3)) last think zeng dong sin ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang ((lang 3) OR (gang 3)) last think zeng dong sin ;*.