Perhaps you should try some spelling variations:
yan guan » gan guan, yang guang, yihan guan
yan yuan » fang yuan, nan yan, yan clan
tan chia » tuan china, than china, can china
pei yang » wei yang, hui yang, pei yun
yan hua » tan hua, ya hua, wang hua
di long » i long, de long, ii long
long du » long d, long do, long run

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan guan) or (yan yuan)) ((yan hua) or (tan chia)) pei yang di long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan guan) OR (yan yuan)) ((yan hua) OR (tan chia)) pei yang di long du ;*.