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