Perhaps you should try some spelling variations:
"coder coder software validation problem" » "coder coder software variation problem" (Expand search), "coder coder software calibration problem" (Expand search), "coder coder software realization problem" (Expand search), "coder code software validation problem" (Expand search), "coder cover software validation problem" (Expand search), "coder modern software validation problem" (Expand search), "coder decoder software validation problem" (Expand search), "code code software validation problem" (Expand search), "decoder codec software validation 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder software validation problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder software validation problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder software validation problem ) OR ( api python python python programming ))*.