Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang tu du snippets" » "nang du du snippets", "nang luc du snippets", "nang tu duy snippets", "nang tu dau snippets", "nang 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: (((("nang 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: (((("nang tu du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang tu du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang tu du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.