Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh vat de snippets" » "trinh vat de snippets", "sinh vat de snippets", "tinh va de snippets", "tinh vat da snippets", "tinh vat dien 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: (((("tinh vat 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: (((("tinh vat de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh vat de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh vat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.