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