Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh con ve snippets" » "trinh cong ve snippets", "trinh co ve snippets", "trinh mon ve snippets", "trinh can ve snippets", "trinh con de 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 con ve 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 con ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh con ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh con ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.