Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khac sat cu snippets" » "khao sat cu snippets", "khach san cu snippets", "khac hau cu snippets", "khac sat su snippets", "khac bat cu snippets", "khac hat cu 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: (((("khac sat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khac sat cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khac sat cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khac sat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.