Perhaps you should try some spelling variations:
functions verification » functional verification (Expand search), function diversification (Expand search), functions identification (Expand search)
coder functions » power functions (Expand search), order functions (Expand search), colour functions (Expand search)
functions java » functions data (Expand search), functions and (Expand search), functions are (Expand search)
java functions » gamma functions (Expand search), and functions (Expand search), zeta functions (Expand search)
using codium » using sodium (Expand search), using medium (Expand search), using cerium (Expand search)
codium piton » sodium proton (Expand search)
piton python » pitons python (Expand search), in python (Expand search), with python (Expand search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "(( coder functions java functions verification ) OR ( using codium piton python programming ))~".
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