Perhaps you should try some spelling variations:
data complexity » and complexity (Expand search), case complexity (Expand search), care complexity (Expand search)
sampling python » sampling method (Expand search), sampling position (Expand search), sampling methods (Expand search)
using sampling » using subsampling (Expand search), using saline (Expand search), using samples (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
coder data » cover data (Expand search), code data (Expand search), border data (Expand search)

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

• Removing quotes may allow a broader search: (( coder data complexity control program ) OR ( using sampling python python programming ))~.