Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vat lich he snippets" » "vat lieu he snippets", "vat li he snippets", "vat tich he snippets", "vat dich che snippets", "vat lich han 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 lich he 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 lich he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vat lich he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vat lich he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.