Perhaps you should try some spelling variations:
information propagation » information presentation, information organization
propagation how » propagation flow, propagation han, propagation law
how decisions » _ decisions, buy decisions, a decisions
david openg » david heng, david chieng
david hung » david hong, david heng, david hume

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

• Performing a fuzzy search may retrieve terms with similar spellings: information propagation how decisions ((((david openg) OR (david owens))) or (david hung))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information propagation how decisions ((((david openg) OR (david owens))) OR (david hung)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "information propagation how decisions ((((david openg) OR (david owens))) or (david hung))".
• Adding a wildcard symbol may retrieve word variants: information propagation how decisions ((((david openg) OR (david owens))) or (david hung))*.