Perhaps you should try some spelling variations:
reference parallel » referencia paralela (Expand search), reference panel (Expand search), reference allele (Expand search)
coder reference » modern reference (Expand search), model reference (Expand search), mode reference (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pytm python (Expand search)
coder coder » coder decoder (Expand search), code code (Expand search), decoder codec (Expand search)
of pitons » of pions (Expand search), of photons (Expand search), of protons (Expand search)

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

• Removing quotes may allow a broader search: (( coder coder reference parallel programming ) OR ( of pitons python python programming ))~.