Perhaps you should try some spelling variations:
chang hadi » chang ha, shang hai, change hands
fang yuan » wang yuhan, wang yan, meng yuan
gain yang » dan yang, daun yang, tan yang
yang ying » yang yang, yang jing, huang ying
khan hadi » khan hafiz
yan guan » gan guan, yan yuan, yang guang
wang » wing, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang or wan) yan ((yan guan) or (fang yuan)) gain yang ying ((chang hadi) OR (khan hadi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR wan) yan ((yan guan) OR (fang yuan)) gain yang ying ((chang hadi) OR (khan hadi)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or wan) yan ((yan guan) or (fang yuan)) gain yang ying ((chang hadi) OR (khan hadi)) ;".
• Adding a wildcard symbol may retrieve word variants: (wang or wan) yan ((yan guan) or (fang yuan)) gain yang ying ((chang hadi) OR (khan hadi)) ;*.