Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat cau cho snippets" » "luat dau cho snippets", "lua cau cho snippets", "luat cac cho snippets", "luat cap cho snippets", "luat cao cho snippets", "luat cu cho 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: (((("luat cau cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat cau cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat cau cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat cau cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.