Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vat cach den snippets" » "va cach den snippets", "sat cac den snippets", "mot cach den snippets", "vat cach de snippets", "vat cach ben snippets", "vat mach dien 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: (((("vat cach den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vat cach den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vat cach den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vat cach den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.