Perhaps you should try some spelling variations:
"coder coder pwm cobol programming" » "coder coder pwm robot programming" (Expand search), "coder coder pwm robots programming" (Expand search), "coder coder pwm goal programming" (Expand search), "coder decoder pwm cobol programming" (Expand search), "code code pwm cobol programming" (Expand search), "decoder codec pwm cobol programming" (Expand search), "coder under pwm cobol 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 coder pwm cobol programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder pwm cobol programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder pwm cobol programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder pwm cobol programming") OR ("api python python python programming"))*.