Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat van cach snippets" » "hat va cach snippets", "hat van canh snippets", "hat vat cach snippets", "hoat van cach snippets", "ha van cach snippets", "hai van 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: (((("hat van 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: (((("hat van cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat van cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat van cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.