Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc ca cao snippets" » "hoc cao cao snippets", "hoc cua cao snippets", "hoc cac cao snippets", "hoc ca dao snippets", "hoc cu cao snippets", "hoc ca cac 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: (((("hoc ca 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: (((("hoc ca cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc ca cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc ca cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.