Perhaps you should try some spelling variations:
"advanced refraction sensor using program" » "advanced extraction sensor using program" (Expand search), "advanced interaction sensor using program" (Expand search), "advanced generation sensor using program" (Expand search), "advanced refraction seismic using program" (Expand search), "advanced vibration sensor using program" (Expand search), "advanced radiation sensor using program" (Expand search), "advanced refraction sensor housing program" (Expand search), "advanced refraction sensor nursing program" (Expand search), "advanced refraction sensor aging program" (Expand search), "advanced refraction sensors using program" (Expand search), "advanced refraction sensor fusion program" (Expand search)
"advanced python programming coding program" » "advanced python programming using program" (Expand search), "advanced python programming code program" (Expand search), "advanced python programming computing program" (Expand search), "advanced method programming coding program" (Expand search), "advanced path programming coding program" (Expand search), "advanced symphony programming coding program" (Expand search), "advanced python programming cloning program" (Expand search), "advanced python programming loading program" (Expand search), "advanced python programming cooling programs" (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced refraction sensor using program\") OR (\"advanced python programming coding program\"))~".
• Removing quotes may allow a broader search: (( advanced refraction sensor using program ) OR ( advanced python programming coding program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced refraction sensor using program") OR ("advanced python programming coding program"))*.