Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luoc cac da snippets" » "luoc cac code snippets", "duoc cac da snippets", "luoc can da snippets", "quoc cac da snippets", "luoc cac dan snippets", "luoc cac dai snippets", "luoc cac dac 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 da 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 da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luoc cac da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luoc cac da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.