Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han tieu can snippets" » "hang tieu can snippets", "nhan tieu can snippets", "han dieu can snippets", "han tiep can snippets", "han tiem can 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: (((("han tieu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han tieu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han tieu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han tieu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.