Perhaps you should try some spelling variations:
function propagation » function preparation, function production, production propagation
propagation https » protection https, production https, propagation anti
basic function » basic functions, basis function, basics functions
parallel java » parallel data, parallel scara, parallel a
java basic » java basics, java based, java batik

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• Performing a fuzzy search may retrieve terms with similar spellings: parallel java basic function propagation https~.
• Adding a wildcard symbol may retrieve word variants: parallel java basic function propagation https*.