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