Perhaps you should try some spelling variations:
"coder in python wave functions" » "coder in python wave function" (Expand search), "coder in python the functions" (Expand search), "coder in python based functions" (Expand search), "code in python wave functions" (Expand search), "codes in python wave functions" (Expand search), "poder in python wave functions" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ 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 in python wave functions") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder in python wave functions\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder in python wave functions ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder in python wave functions") OR ("_ python python python programming"))*.