Perhaps you should try some spelling variations:
"coder coder sources applied problems" » "coder coder sources coupled problems" (Expand search), "coder coder sources posed problems" (Expand search), "coder coder sources applied project" (Expand search), "coder coder studies applied problems" (Expand search), "coder copper sources applied problems" (Expand search), "coder power sources applied problems" (Expand search), "coder under sources applied problems" (Expand search), "coder decoder sources applied problems" (Expand search), "code code sources applied problems" (Expand search), "decoder codec sources applied problems" (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.

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