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