Perhaps you should try some spelling variations:
"coder coder using dematel effects" » "coder coder using dental effects" (Expand search), "coder coder using enamel effects" (Expand search), "coder coder using delayed effects" (Expand search), "coder decoder using dematel effects" (Expand search), "code code using dematel effects" (Expand search), "decoder codec using dematel effects" (Expand search), "coder coders using dematel effects" (Expand search), "coder cover using dematel effects" (Expand search), "coder code using dematel effects" (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 using dematel effects") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder using dematel effects\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder using dematel effects ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder using dematel effects") OR ("_ python python python programming"))*.