Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh noi ve snippets" » "trinh hoi ve snippets", "trinh boi ve snippets", "trinh nhi ve snippets", "trinh moi ve snippets", "trinh noi va 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 noi 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 noi ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh noi ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh noi ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.