Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"viec dat vo snippets" » "vien dai vo snippets", "vien da vo snippets", "viec va vo snippets", "viec dat va snippets", "viec dat o snippets", "viec dat vi 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: (((("viec dat vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("viec dat vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( viec dat vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viec dat vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.