Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang va lo snippets" » "nang van lo snippets", "hang va lo snippets", "nang ma lo snippets", "nang va loi snippets", "nang va lao snippets", "nang va co 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 va lo 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 va lo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang va lo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang va lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.