Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giang lon ve snippets" » "giang son ve snippets", "giang nong ve snippets", "giang song ve snippets", "giang long ve snippets", "giang lon va snippets", "giang lon vi 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: (((("giang lon 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: (((("giang lon ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giang lon ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giang lon ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.