Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
chang hai » chang ha, shang hai, change has
yan yuan » yan guan, fang yuan, nan yan
dan yang » daun yang, tan yang, wang yang
yi chang » ii chang, ying chang, jin chang
yap yun » yang yun, yau yung
yang yi » yang di, yang xi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wing or wan) yan ((((yan yuan) or (yap yun))) or (yang guang)) dan yang yi chang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wing OR wan) yan ((((yan yuan) OR (yap yun))) OR (yang guang)) dan yang yi chang hai ;.
• Adding a wildcard symbol may retrieve word variants: (wing or wan) yan ((((yan yuan) or (yap yun))) or (yang guang)) dan yang yi chang hai ;*.