Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi xa non snippets" » "thi xa non snippets", "chi a non snippets", "chi ha non snippets", "chi xa nong snippets", "chi xa noi 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: (((("chi xa non snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi xa non snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi xa non snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi xa non snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.