Perhaps you should try some spelling variations:
land planning » based planning, road planning, dam planning
case china » care china, catte china, use china
kang minah » sang minh
china tan » china top, china two, china taiwan
tan kang » tan kong, tan yang, chan kang
cong tan » cong van, congo can, cong sun
hong » long

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

• Performing a fuzzy search may retrieve terms with similar spellings: land planning case china tan kang minah ((cong tan) OR (hong tan)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "land planning case china tan kang minah ((cong tan) OR (hong tan)) ;*".