Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuon danh da snippets" » "cuong danh da snippets", "cuoi dan da snippets", "cuon sach da snippets", "cuon danh dau snippets", "cuon dan da snippets", "cuon danh ca 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: (((("cuon danh 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: (((("cuon danh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuon danh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuon danh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.