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