Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong bai da snippets" » "uong bi da snippets", "cuong ma da snippets", "cuong bai ca snippets", "cuong ban da snippets", "cuong ai da 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 bai da 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 bai da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong bai da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong bai da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.