Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tranh nam da snippets" » "thanh nam da snippets", "tranh lam da snippets", "tinh nam da snippets", "tranh nam dan snippets", "tranh nam a snippets", "tranh nam 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: (((("tranh nam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tranh nam da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tranh nam da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tranh nam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.