Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khoi su da snippets" » "khoi su code snippets", "khoi su dai snippets", "khoi su dan snippets", "khoi su dao snippets", "khoa su da snippets", "hoi su da snippets", "thoi su 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 su 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 su da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khoi su da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi su da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.