Perhaps you should try some spelling variations:
"coder perceptions upon coding problem" » "coders perceptions upon coding problem" (Expand search), "model perceptions upon coding problem" (Expand search), "power perceptions upon coding problem" (Expand search), "coder perceptions on coding problem" (Expand search), "coder perceptions among coding problem" (Expand search), "coder perceptions of coding problem" (Expand search), "coder perceptions upon coding problems" (Expand search), "coder perceptions upon coping problem" (Expand search), "coder perceptions upon loading problem" (Expand search), "coder perceptions upon folding problem" (Expand search), "coder perceptions upon cooking problem" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa 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 perceptions upon coding problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder perceptions upon coding problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder perceptions upon coding problem") OR ("api python python python programming"))*.