Perhaps you should try some spelling variations:
"decoder codec python complex problems" » "decoder codec python complex projects" (Expand search), "decoder codec python computer problems" (Expand search), "decoder codec prison complex problems" (Expand search), "decoder codecs python complex problems" (Expand search), "decoder model python complex problems" (Expand search), "decoder models python complex problems" (Expand search), "decoder codigo python complex problems" (Expand search), "decoder logic python 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.

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