Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vai va cau snippets" » "mai va cau snippets", "dai va cau snippets", "hai va cau snippets", "vai van cau snippets", "vai va cac snippets", "vai va dau 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: (((("vai va cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vai va cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vai va cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vai va cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.