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