Perhaps you should try some spelling variations:
allocation problem » location problem (Expand search)
active allocation » activity allocation (Expand search), active application (Expand search), time allocation (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
coder active » copper active (Expand search), power active (Expand search), under active (Expand search)
coder coder » coder decoder (Expand search), code code (Expand search), decoder codec (Expand search)
in python » _ python (Expand search)

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

• Removing quotes may allow a broader search: (( coder coder active allocation problem ) OR ( in python python python programming ))~.