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