Perhaps you should try some spelling variations:
"coder decoder precoder complex problems" » "coder encoder decoder complex problems" (Expand search), "coder decoder codec complex problems" (Expand search), "coder decoder precise complex problems" (Expand search), "coder decoder precursor complex problems" (Expand search), "coder decoder power complex problems" (Expand search), "coder decoder precoder complex projects" (Expand search), "encoder decoder precoder complex 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.

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