Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh ca den snippets" » "danh ca den snippets", "anh cam den snippets", "anh cua den snippets", "anh cap den snippets", "anh cau den snippets", "anh ca dan 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: (((("anh ca den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh ca den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh ca den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh ca den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.