Perhaps you should try some spelling variations:
phone adding » phone banking, thing adding, when adding
data based » data used
zhang ming » zhang xin
chang hsun » chang ch'un, chung hsuan, chang su
gang data » ring data
wang di » yang di, wang d, wang li
di gang » ii gang, d gang, i gang

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: wang di gang data based ((phone adding) OR (zhang ming)) chang hsun ;~.
• Adding a wildcard symbol may retrieve word variants: wang di gang data based ((phone adding) or (zhang ming)) chang hsun ;*.