Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc hai vo snippets" » "hoc dai vo snippets", "hoc bai vo snippets", "hoc tai vo snippets", "hoc hai va snippets", "hoc hai vu snippets", "hoc hai so 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 hai vo 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 hai vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc hai vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc hai vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.