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