Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cau cua toc snippets" » "cau cua code snippets", "cau qua toc snippets", "ca cua toc snippets", "cu cua toc snippets", "cau cua hoc snippets", "cau cua toi snippets", "cau cua tuc 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: (((("cau cua 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: (((("cau cua toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cau cua toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau cua toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.