Perhaps you should try some spelling variations:
"coder coder perception scale programming" » "coder coder perception safe programming" (Expand search), "coder coder perception scada programming" (Expand search), "coder coder perception stage programming" (Expand search), "coder coders perceptions scale programming" (Expand search), "coder color perception scale programming" (Expand search), "coder odor perception scale programming" (Expand search), "coder coder perception and programming" (Expand search), "coder coder perception study programming" (Expand search), "coder decoder perception scale programming" (Expand search), "code code perception scale programming" (Expand search), "decoder codec perception scale programming" (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)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder perception scale programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder perception scale programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder perception scale programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder perception scale programming") OR ("api python python python programming"))*.