Perhaps you should try some spelling variations:
"coder coder number variation problem" » "coder coder number variational problem" (Expand search), "coder coder number covariation problem" (Expand search), "coder coder number variational problems" (Expand search), "coder cover number variation problem" (Expand search), "coder codes numbers variation problem" (Expand search), "coder over number variation problem" (Expand search), "coder decoder number variation problem" (Expand search), "code code number variation problem" (Expand search), "decoder codec number variation 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder number variation problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder number variation problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder number variation problem") OR ("api python python python programming"))*.