Perhaps you should try some spelling variations:
"coder precoder path routing programming" » "coder precoder path routine programming" (Expand search), "coder precoder path routines programming" (Expand search), "coder precoder path computing programming" (Expand search), "coder decoder path routing programming" (Expand search), "coder precoder and routing programming" (Expand search), "coder precoder arc routing programming" (Expand search), "coder precoder path ranking programming" (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)

You may be able to get more results by adjusting your search query.

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