Perhaps you should try some spelling variations:
"model implementation problems algoritmos array" » "model implementation process algoritmos array" (Expand search), "model implementation project algoritmos array" (Expand search), "model implementation program algoritmos array" (Expand search), "model implementation projeto algoritmos array" (Expand search), "model implementation posets algoritmos array" (Expand search), "model implementation problems algoritmos fuzzy" (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), "manim 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: (("model implementation problems algoritmos array") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"model implementation problems algoritmos array\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( model implementation problems algoritmos array ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("model implementation problems algoritmos array") OR ("api python python python programming"))*.