Perhaps you should try some spelling variations:
yang qiang » yang liang, yang yang, gong qiang
wang liang » wang yang
think zeng » think long
zeng doug » jeng dong, zeng douglas
als last » als gast, a last, his last
li last » i last, die last, his last
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) or (wang liang)) ((li last) or (als last)) think zeng doug di ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang qiang) OR (wang liang)) ((li last) OR (als last)) think zeng doug di ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yang qiang) or (wang liang)) ((li last) or (als last)) think zeng doug di ;*.