Perhaps you should try some spelling variations:
"coder java tree algorithm based" » "coder java tree algorithms based" (Expand search), "coder java the algorithm based" (Expand search), "coder java greedy algorithm based" (Expand search), "codes java tree algorithm based" (Expand search), "xcode java tree algorithm based" (Expand search), "coder guava tree algorithm based" (Expand search), "coder java ee algorithm based" (Expand search), "coder java 2ee algorithm based" (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 java tree algorithm based\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder java tree algorithm based ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder java tree algorithm based") OR ("api python python python programming"))*.