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