Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau danh can snippets" » "cao danh can snippets", "chuc danh can snippets", "nam danh can snippets", "cau danh ca snippets", "cau danh cau snippets", "cau danh nhan 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 danh can 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 danh can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau danh can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau danh can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.