Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi dat cao snippets" » "hoi dap cao snippets", "hoi dan cao snippets", "hoc dat cao snippets", "hoi dat cau snippets", "hoi dam cao snippets", "hoi dao cao snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoi dat cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi dat cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi dat cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi dat cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.