Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vot con cac snippets" » "mot con cac snippets", "vat con cac snippets", "vit con cac snippets", "vot chon cac snippets", "vot cong cac snippets", "vot co 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: (((("vot con cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vot con cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vot con cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vot con cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.