Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dac san toc snippets" » "dac san code snippets", "dac sac toc snippets", "cac san toc snippets", "dac nhan toc snippets", "dac dan toc snippets", "dac sang tac snippets", "dac san thuc 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: (((("dac san 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: (((("dac san toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dac san toc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dac san toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.