Perhaps you should try some spelling variations:
"coder coder using mixture problems" » "coder coder using fracture problems" (Expand search), "coder coder using mixtures problems" (Expand search), "coder decoder using mixture problems" (Expand search), "code code using mixture problems" (Expand search), "decoder codec using mixture problems" (Expand search), "coder coders using mixture problems" (Expand search), "coder cover using mixture problems" (Expand search), "coder code using mixture 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 using mixture problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder using mixture problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder using mixture problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder using mixture problems") OR ("api python python python programming"))*.