Perhaps you should try some spelling variations:
international contributions » international institutions, international construction, international communications
contributions aia » contributions a, contributions final, contributions gamma
aia decisions » data decisions, a decisions, big decisions
david scheme » land scheme, grid scheme, cad scheme
based scheme » based science

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

• Performing a fuzzy search may retrieve terms with similar spellings: international contributions aia decisions ((((david scheme) or (david schrama))) or (based scheme))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: international contributions aia decisions ((((david scheme) OR (david schrama))) OR (based scheme)).
• Adding a wildcard symbol may retrieve word variants: international contributions aia decisions ((((david scheme) or (david schrama))) or (based scheme))*.