Perhaps you should try some spelling variations:
"coder coder uml complex problems" » "coder coder uml complex projects" (Expand search), "coder decoder uml complex problems" (Expand search), "code code uml complex problems" (Expand search), "decoder codec uml complex problems" (Expand search), "coder coder full complex problems" (Expand search), "coder coder uril complex problems" (Expand search), "coder coder sul complex problems" (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), "rpa python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder uml complex problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder uml complex problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder uml complex problems") OR ("api python python python programming"))*.