Perhaps you should try some spelling variations:
information propagation » information presentation, information organization
propagation due » propagation case, propagation _, propagation a
due decisions » buy decisions, use decisions, eye decisions
david chieng » david ching, david chang, david cohen
david openg » david owens
david heng » david hong, david hung, david henry

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 due decisions ((((david openg) or (david heng))) or (david chieng))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information propagation due decisions ((((david openg) OR (david heng))) OR (david chieng)).
• Adding a wildcard symbol may retrieve word variants: information propagation due decisions ((((david openg) or (david heng))) or (david chieng))*.