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