Perhaps you should try some spelling variations:
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ python programming" (Expand search)
"coder codigo java java swing" » "code codigo java java swing" (Expand search), "hover codigo java java swing" (Expand search), "code codigos java java swing" (Expand search), "coder codigo ana java swing" (Expand search), "coder codigo java data swing" (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 codigo java java swing") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder codigo java java swing\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder codigo java java swing ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder codigo java java swing") OR ("on python python python programming"))*.