Perhaps you should try some spelling variations:
"coder coder computing estudo problem" » "coder coder computing study problem" (Expand search), "coder coder computacao estudo problem" (Expand search), "coder coder computador estudo problem" (Expand search), "coder modern computing estudo problem" (Expand search), "coder model computing estudo problem" (Expand search), "coder power computing estudo problem" (Expand search), "coder coder computing pseudo problem" (Expand search), "coder coder computing estado problemas" (Expand search), "coder decoder computing estudo problem" (Expand search), "code code computing estudo problem" (Expand search), "decoder codec computing estudo problem" (Expand search)
"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)

You may be able to get more results by adjusting your search query.

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