Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dieu can toc snippets" » "dieu can code snippets", "dieu hanh toc snippets", "tiep can toc snippets", "dieu cua toc snippets", "dieu dan toc snippets", "dieu cac toc snippets", "dieu cao toc snippets"
"python using java snippets" » "python using data 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: (((("dieu can toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dieu can toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dieu can toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dieu can toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.