Perhaps you should try some spelling variations:
can survey » gian survey, main survey, fat survey
chen wang » chen yang, chen rong, chen ping
wang wang » wang yang, wang liang, wang yan
wang xia » fang xia, wang qiao, wang xuan
chan eng » chan fong, chan kang, chan ming
wang wei » zhang wei, wang zhi
can see » can seem, can she, can seize

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 xia fang ((((can survey) OR (can see))) OR (chan eng)) chen wang wang wei ;~.
• Adding a wildcard symbol may retrieve word variants: wang xia fang ((((can survey) or (can see))) or (chan eng)) chen wang wang wei ;*.