Perhaps you should try some spelling variations:
java programming » and programming (Expand search), based programming (Expand search), goal programming (Expand search)
python sampling » method sampling (Expand search), thin sampling (Expand search), methods sampling (Expand search)
sampling method » sampling methods (Expand search)
decrease human » increase human (Expand search), disease human (Expand search), decrease asian (Expand search)
human decrease » human deceased (Expand search), human increase (Expand search), human disease (Expand search)
decrease java » decrease and (Expand search), decrease hiv (Expand search), decrease akt (Expand search)
method python » method method (Expand search), python python (Expand search)

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

• Removing quotes may allow a broader search: (( decrease human decrease java programming ) OR ( python sampling method python programming ))~.