Perhaps you should try some spelling variations:
david zhang » david chang, david chan, david hand
zhang wang » zhan wang, zhang fang, chang wang
yuan ying » yuan ming, kuan ying
ying choi » ying chyi, ying chi, kyung choi
de david » dye david, dee david, die david
choi de » choix de, choi d, choix des
wang da » wang dan, cang da, wang di
when da » when cda, when a, when d
when do » when does

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( yuan ying choi de david zhang wang da xi. ) or ( yuan ying choi de yi tan ((when da) or (when do)) xi. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( yuan ying choi de david zhang wang da xi. ) OR ( yuan ying choi de yi tan ((when da) OR (when do)) xi. )).
• Adding a wildcard symbol may retrieve word variants: (( yuan ying choi de david zhang wang da xi. ) or ( yuan ying choi de yi tan ((when da) or (when do)) xi. ))*.