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