Perhaps you should try some spelling variations:
functional approximation » function approximation (Expand search), rational approximation (Expand search), functional applications (Expand search)
approximation coding » approximation using (Expand search), approximation hitting (Expand search), approximation in (Expand search)
coding functional » coating functional (Expand search), adding functional (Expand search), coding fractional (Expand search)
python python » pythons python (Expand search), pitons python (Expand search), pytm python (Expand search)
coder coding » modern coding (Expand search), color coding (Expand search), odor coding (Expand search)
piton python » pitons python (Expand search), in python (Expand search), with python (Expand search)
api piton » api python (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (( coder coding functional approximation coding ) OR ( api piton python python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( coder coding functional approximation coding ) OR ( api piton python python programming ))".
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