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