Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran tu du snippets" » "tran tuan du snippets", "tran thuy du snippets", "tran thi du snippets", "tran tu duy snippets", "tran tu dau snippets", "tran tru du 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: (((("tran tu du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran tu du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran tu du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran tu du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.