Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khoi noi da snippets" » "khoi noi code snippets", "khoa noi da snippets", "khi noi da snippets", "khop noi da snippets", "khoi nuoi da snippets", "khoi noi va snippets", "khoi toi da 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: (((("khoi noi 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: (((("khoi noi da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khoi noi da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi noi da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.