Perhaps you should try some spelling variations:
"coder decoder java 3d problems" » "encoder decoder java 3d problems" (Expand search), "coder codes java 3d problems" (Expand search), "coder xcode java 3d problems" (Expand search), "coder decoder java and problems" (Expand search), "coder decoder java old problems" (Expand search), "coder decoder java cfd 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder decoder java 3d problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder java 3d problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder java 3d problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder java 3d problems") OR ("api python python python programming"))*.