Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoa chau do snippets" » "khoai chau do snippets", "khoa phau do snippets", "khoa cham do snippets", "khoa chau doc snippets", "khoa cau do snippets", "khoa chau tho 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: (((("khoa chau do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa chau do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoa chau do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoa chau do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.