Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cu khanh hoa snippets" » "cu thanh hoa snippets", "cu hang hoa snippets", "vu khanh hoa snippets", "cuu thanh hoa 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: (((("cu khanh hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cu khanh hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cu khanh hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cu khanh hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.