Perhaps you should try some spelling variations:
lang yanling » wang yanling, wang yangming, zhang yunling
wuhan china » tuan china, yunnan china
china zhang » china chang, cheng zhang, chin chang
yang yang » wang yang, wang yan
zhang hai » zhang dai, shang hai, zhang han
yin yang » ying yang, yi yang, yin fang

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yanling wuhan china ((yin yang) or (yang yang)) china zhang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yanling wuhan china ((yin yang) OR (yang yang)) china zhang hai ;*.