Perhaps you should try some spelling variations:
"coder coding _ dengue coding" » "coder coding _ dengue cloning" (Expand search), "coder coding _ dense coding" (Expand search), "coder coding _ dengue modeling" (Expand search), "modern coding _ dengue coding" (Expand search), "color coding _ dengue coding" (Expand search), "odor coding _ dengue coding" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in python 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 coding _ dengue coding") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding _ dengue coding\") OR (\"via python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding _ dengue coding ) OR ( via python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding _ dengue coding") OR ("via python python python programming"))*.