Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toc do hoi snippets" » "toc do code snippets", "toc dao hoi snippets", "toc co hoi snippets", "hoc do hoi snippets", "toc do choi snippets", "toc do hoai snippets", "toc do 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: (((("toc do hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc do hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( toc do hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc do hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.