Perhaps you should try some spelling variations:
"coder power functions teaching method" » "coder power relations teaching method" (Expand search), "coder power function teaching method" (Expand search), "coder taper functions teaching method" (Expand search), "coder motor functions teaching method" (Expand search), "coder power functions teaching methods" (Expand search), "coder power functions teaching methodology" (Expand search), "poder power functions teaching method" (Expand search), "modern power functions teaching method" (Expand search), "couter power functions teaching method" (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: (("coder power functions teaching method") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder power functions teaching method\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder power functions teaching method ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder power functions teaching method") OR ("api python python python programming"))*.