Perhaps you should try some spelling variations:
simulation environments » simulation environment, population environment, population environmental
environments from » environment from, environments _, environments a
from decision » from vision
based opengl » based open
based openmp » based open, nested openmp

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

• Performing a fuzzy search may retrieve terms with similar spellings: simulation environments from decision ((((based opengl) or (based openmp))) or (tasks openmp))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: simulation environments from decision ((((based opengl) OR (based openmp))) OR (tasks openmp)).
• Adding a wildcard symbol may retrieve word variants: simulation environments from decision ((((based opengl) or (based openmp))) or (tasks openmp))*.