Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luoc moi de snippets" » "luoc moi code snippets", "luc moi de snippets", "luoc doi de snippets", "duoc moi de snippets", "luoc moi den snippets", "luoc moi ve snippets", "luoc moi ke 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 moi de 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 moi de snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luoc moi de snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luoc moi de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.