Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham sach du snippets" » "pham sach du snippets", "nam sach du snippets", "lam sach du snippets", "ham sach dau snippets", "ham sach de snippets", "ham sach tu 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: (((("python using java snippets") or ("ham sach du snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("ham sach du snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( ham sach du snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("ham sach du snippets"))) or ("locating bug code snippets"))*.