Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat lich du snippets" » "luat kinh du snippets", "luat hinh du snippets", "vat lich du snippets", "luat lich su snippets", "luat tich du snippets", "luat tich dau 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: (((("luat lich du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat lich du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat lich du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat lich du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.