Perhaps you should try some spelling variations:
"coder coder mining planning problems" » "coder coder mining planning problem" (Expand search), "coder coder mining planning process" (Expand search), "coder coder mining packing problems" (Expand search), "coder coder mine planning problems" (Expand search), "coder coder building planning problems" (Expand search), "coder code mining planning problems" (Expand search), "coder copper mining planning problems" (Expand search), "coder cooper mining planning problems" (Expand search), "coder decoder mining planning problems" (Expand search), "code code mining planning problems" (Expand search), "decoder codec mining planning 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 mining planning problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder mining planning problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder mining planning problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder mining planning problems") OR ("api python python python programming"))*.