Perhaps you should try some spelling variations:
shang hai » shang kai, dang hai, chang ha
yan guan » gan guan, yan yuan, yang guang
dan yang » daun yang, tan yang, wang yang
yi shang » yi chang, wei shang, xia shang
yan yun » yan yuan, yang yun, yan kun
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 yun) or (yap yun))) or (yan guan)) dan yang yi shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wing OR wan) yan ((((yan yun) OR (yap yun))) OR (yan guan)) dan yang yi shang hai ;.
• Adding a wildcard symbol may retrieve word variants: (wing or wan) yan ((((yan yun) or (yap yun))) or (yan guan)) dan yang yi shang hai ;*.