Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich van doc snippets" » "tich va doc snippets", "trinh van doc snippets", "dinh van doc snippets", "tich van duoc snippets", "tich van hoc snippets", "tich van loc 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 ("tich van doc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tich van doc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tich van doc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tich van doc snippets"))) or ("locating bug code snippets"))*.