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