Perhaps you should try some spelling variations:
"coder coder visual tracking processing" » "coder coder visual tracking process" (Expand search), "coder coder visual tracking processes" (Expand search), "coder coder visual training processin" (Expand search), "coder coder visual thinking processing" (Expand search), "coder modern visual tracking processing" (Expand search), "coder under visual tracking processing" (Expand search), "coder color visual tracking processing" (Expand search), "coder decoder visual tracking processing" (Expand search), "code code visual tracking processing" (Expand search), "decoder codec visual tracking processing" (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 visual tracking processing") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder visual tracking processing\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder visual tracking processing ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder visual tracking processing") OR ("api python python python programming"))*.