Perhaps you should try some spelling variations:
humane efficient » an efficient (Expand search), and efficient (Expand search), more efficient (Expand search)
efficient coding » efficient routing (Expand search), efficient cement (Expand search)
coding program » cloning program (Expand search), loading program (Expand search), cooling programs (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pytm python (Expand search)
coder humane » poder humano (Expand search), comer humano (Expand search), poder human (Expand search)
in pitons » in pigeons (Expand search), in picos (Expand search), _ pitons (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (( coder humane efficient coding program ) OR ( in pitons python python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( coder humane efficient coding program ) OR ( in pitons python python programming ))".
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