Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc lai cho snippets" » "toc dai cho snippets", "toc la cho snippets", "tuc lai cho snippets", "toc lai chau snippets", "toc bai choi snippets", "toc lai cuoc 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: (((("toc lai cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc lai cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc lai cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc lai cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.