Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nom bac hoc snippets" » "nam bac hoc snippets", "nom cac hoc snippets", "noi bach hoc snippets", "nom bai hoc snippets", "nom bac ho 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: (((("nom bac hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nom bac hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nom bac hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nom bac hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.