Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lon cai cach snippets" » "lon loi cach snippets", "lon tai cac snippets", "lon va cach snippets", "mong cai cach snippets", "ling cai cach snippets", "lon chan 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: (((("lon cai 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: (((("lon cai cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lon cai cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon cai cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.