Perhaps you should try some spelling variations:
"coder coder face detection problem" » "coder coder face selection problem" (Expand search), "coder coder face detection program" (Expand search), "coder coder face demarcation problem" (Expand search), "coder coder change detection problem" (Expand search), "coder coder damage detection problem" (Expand search), "coder decoder face detection problem" (Expand search), "code code face detection problem" (Expand search), "decoder codec face detection problem" (Expand search), "coder poder face detection problem" (Expand search), "coder lower face detection problem" (Expand search), "coder counter face detection problem" (Expand search)
"_ piton python python programming" » "_ piton pythons python programming" (Expand search), "_ piton pitons python programming" (Expand search), "_ piton pytm python programming" (Expand search), "_ pitons python python programming" (Expand search), "_ in python python programming" (Expand search), "_ with python python programming" (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: "((\"coder coder face detection problem\") OR (\"_ piton python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder face detection problem ) OR ( _ piton python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder face detection problem") OR ("_ piton python python programming"))*.