Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach de hoat snippets" » "cach ve hoat snippets", "cach de hoan snippets", "cach dien hoat snippets", "cac de hoat snippets", "sach de hoat 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: (((("cach de hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach de hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach de hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach de hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.