Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau den chat snippets" » "cau don chat snippets", "cau dinh chat snippets", "cau dung chat snippets", "cap den chat snippets", "cau de chat snippets", "hau den chat snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("cau den chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau den chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau den chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau den chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.