Perhaps you should try some spelling variations:
"barcode decoding python codigo problem" » "barcode decoding method codigo problem" (Expand search), "barcode decoding python coding problems" (Expand search), "barcode decoding python cargo problem" (Expand search), "barcode decoding python coding problem" (Expand search), "barcode decoding python code problem" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ 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: (("barcode decoding python codigo problem") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"barcode decoding python codigo problem\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( barcode decoding python codigo problem ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("barcode decoding python codigo problem") OR ("in python python python programming"))*.