Perhaps you should try some spelling variations:
wang planning » range planning, land planning, kong planning
planning can » planning chain, planning case, planning land
china grain » china gain, china main, china plain
china going » chia going, china ying, china gain
li chang » li zhang, ii chang, yi chang
chang ha » chang mae
yang li » yang lin, yang di, yang xi

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 grain) OR (china going)) yang li chang ha ;~.
• Adding a wildcard symbol may retrieve word variants: wang planning can ((china grain) or (china going)) yang li chang ha ;*.