Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lam cac toc snippets" » "lam cac code snippets", "nam cac toc snippets", "lam chat toc snippets", "lam sach toc snippets", "lam cac toi snippets", "lam cac nuoc snippets", "lam cac thoi 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: (((("lam cac 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: (((("lam cac toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lam cac toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam cac toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.