Perhaps you should try some spelling variations:
yang liang » wang liang, yang yang, peng liang
yan liang » wang liang, you liang, yan wang
thin jeng » thin end, thin lens
dong ping » dong bin, dong jung, dong yang
las thin » last thing, a thin
a las » a los, y las, a law
sin » sign, sind, skin

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 liang) or (yan liang)) a las thin jeng ((dong ping) or (dong sin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang liang) OR (yan liang)) a las thin jeng ((dong ping) OR (dong sin)) ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yang liang) or (yan liang)) a las thin jeng ((dong ping) or (dong sin)) ;*.