Perhaps you should try some spelling variations:
"lang trinh java snippets" » "trang trinh java snippets", "cong trinh java snippets", "lap trinh java snippets", "lang trinh java slippers"
"python using _ snippets" » "python using _ slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("python using _ snippets") or ("lang trinh java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using _ snippets") OR ("lang trinh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using _ snippets ) or ( lang trinh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using _ snippets") or ("lang trinh java snippets"))) or ("locating bug code snippets"))*.