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