Perhaps you should try some spelling variations:
"coder coding using mothers perceptions" » "coder coding using mothers perception" (Expand search), "coder coding using mother's perception" (Expand search), "coder coding using workers perceptions" (Expand search), "coder coding nursing mothers perceptions" (Expand search), "coder coding being mothers perceptions" (Expand search), "coder coding using isotherms perceptions" (Expand search), "modern coding using mothers perceptions" (Expand search), "color coding using mothers perceptions" (Expand search), "odor coding using mothers perceptions" (Expand search), "coder modeling using mothers perceptions" (Expand search), "coder drying using mothers perceptions" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in python 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 coding using mothers perceptions\") OR (\"via python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding using mothers perceptions ) OR ( via python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding using mothers perceptions") OR ("via python python python programming"))*.