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