Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong hai co snippets" » "cong hai co snippets", "cuong bai co snippets", "duong hai co snippets", "cuong phai co snippets", "cuong hai con snippets", "cuong mai co 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: (((("cuong hai co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong hai co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong hai co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong hai co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.