Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luoc cac don snippets" » "luoc cac code snippets", "duoc cac don snippets", "luoc can don snippets", "quoc cac don snippets", "luoc cac dan snippets", "luoc cac mon snippets", "luoc cac doanh 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: (((("luoc cac don snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luoc cac don snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luoc cac don snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luoc cac don snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.