Perhaps you should try some spelling variations:
international conventions » international convention, international contributions, international cooperation
conventions fast » inventions fast, conditions fast, conversion fast
fast decisions » fast decision, fate decisions, art decisions
based science » basic science, basic sciences, weed science
david scheme » david schrama, land scheme, grid scheme

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

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