Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chi cao toc snippets" » "chi cao code snippets", "chi dao toc snippets", "chi bao toc snippets", "cho cao toc snippets", "chi cac toc snippets", "chi cao hoc snippets", "chi cao ngoc 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: (((("chi cao 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: (((("chi cao toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chi cao toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi cao toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.