Perhaps you should try some spelling variations:
wang planning » range planning, land planning, kong planning
planning can » planning chain, planning case, planning land
china plain » china gain, china grain, china play
china going » chia going, china ying, china gain
china main » china's main, china may
lin shang » bin zhang, jin chang, xia shang
shang hai » shang kai, dang hai, chang ha
yang lin » yang jin, wang lin, yang li

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 planning can ((((china main) OR (china plain))) OR (china going)) yang lin shang hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang planning can ((((china main) or (china plain))) or (china going)) yang lin shang hai ;*.