Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toc do chat snippets" » "toc do code snippets", "toc doc chat snippets", "toc don chat snippets", "toc do nhat snippets", "toc dao chat snippets", "toc co chat snippets", "hoc do chat 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 chat 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 chat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( toc do chat snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc do chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.