Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua cau noi snippets" » "lua cau code snippets", "luat cau noi snippets", "cua cau noi snippets", "quan cau noi snippets", "lua cau hoi snippets", "lua cau doi snippets", "lua cach noi 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: (((("lua cau noi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua cau noi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lua cau noi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua cau noi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.