Perhaps you should try some spelling variations:
phone adding » phone banking, thing adding, when adding
zhang jing » zhang ming, zhang jin, zhang ping
chang hsun » chang ch'un, chung hsuan, chang su
data base » data based
di gang » ii gang, i gang, li gang
d gang » 2 gang, _ gang, b gang
yang » lang, wang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: yang ((di gang) OR (d gang)) data base ((phone adding) OR (zhang jing)) chang hsun ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang ((di gang) OR (d gang)) data base ((phone adding) or (zhang jing)) chang hsun ;~".
• Adding a wildcard symbol may retrieve word variants: yang ((di gang) OR (d gang)) data base ((phone adding) or (zhang jing)) chang hsun ;*.