Perhaps you should try some spelling variations:
land planning » based planning, road planning, dam planning
using 3.2 » housing 3.2, using 3.3.2, using 360
dong jung » hong jong, dong ping, dong yang
using 3d » using 4d, using _, using a
things a » things _, things 1
tan ying » fan ying, ran ying, tan yang

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: land planning ((using 3.2) OR (using 3d)) smart things a ((tan ying) OR (dong jung)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "land planning ((using 3.2) OR (using 3d)) smart things a ((tan ying) or (dong jung)) ;~".
• Adding a wildcard symbol may retrieve word variants: land planning ((using 3.2) OR (using 3d)) smart things a ((tan ying) or (dong jung)) ;*.