Perhaps you should try some spelling variations:
planning poland » planning land, planning england, planning policy
dam planning » term planning, from planning, land planning
poland china » poland sabina, zealand china, policy china
china tan » china top, china two, china taiwan
yong jin » yang jin, ying jin, yang jing
song jin » song min, shang jin, song shin

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: dam planning poland china tan ((yong jin) OR (song jin)) hong tan ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dam planning poland china tan ((yong jin) OR (song jin)) hong tan ;*".