Perhaps you should try some spelling variations:
thing adding » phone adding, thing hiring, when adding
davis best » davis test, david west
zhang ying » zhang ming, zhang jing, zhang ping
chang yun » chong yun, chang hsun, chae yun
lang yi » yang yi, tang yi, jiang yi
yi yang » yin yang, yi gang, yu yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yi yang ((davis best) OR (davis robert)) ((thing adding) or (zhang ying)) chang yun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yi yang ((davis best) OR (davis robert)) ((thing adding) OR (zhang ying)) chang yun ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yi yang ((davis best) OR (davis robert)) ((thing adding) or (zhang ying)) chang yun ;*".