Perhaps you should try some spelling variations:
"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)
"coder coder case system modeling" » "coder decoder case system modeling" (Expand search), "code code case system modeling" (Expand search), "decoder codec case system modeling" (Expand search), "coder coder caste system modeling" (Expand search), "coder coder cas9 system modeling" (Expand search), "coder coder casa system modeling" (Expand search), "coder border case system modeling" (Expand search), "coder power case system modeling" (Expand search), "coder lower case system modeling" (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 case system modeling") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder case system modeling\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder case system modeling ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder case system modeling") OR ("api python python python programming"))*.