Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi mo de snippets" » "khai mo de snippets", "khi mo de snippets", "khoe moi de snippets", "khoi bo de snippets", "khoi mo te snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 mo de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi mo de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi mo de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi mo de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.