Perhaps you should try some spelling variations:
functions controller » funciones controller (Expand search), funcoes controller (Expand search), fractional controller (Expand search)
coder functions » power functions (Expand search), order functions (Expand search), colour functions (Expand search)
controller plc » controller _ (Expand search), controller and (Expand search), controller in (Expand search)
coding python » codigo python (Expand search), codigos python (Expand search), using python (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
using coding » using coping (Expand search), using coating (Expand search), using cooking (Expand search)
plc program » plc programs (Expand search), palc programa (Expand search), paic program (Expand search)

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

• Removing quotes may allow a broader search: (( coder functions controller plc program ) OR ( using coding python python programming ))~.