Perhaps you should try some spelling variations:
labor planning » water planning, land planning, labor earning
china's labor » china's major, china's carbon, chinese labor
ii china's » ii chinas, did china's, hui china's
gongo meng » gong meng
dong yang » dong hoang, wang yang, yang yang
a gongo » a zongo

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: ((dong sin) OR (((dong yang) OR (wang yan)))) ii china's labor planning a gongo meng ;~.
• Adding a wildcard symbol may retrieve word variants: ((dong sin) or (((dong yang) or (wang yan)))) ii china's labor planning a gongo meng ;*.