Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoa xa chat snippets" » "hoa xa chat snippets", "khoa ma chat snippets", "khoa x chat snippets", "khoa va chat snippets", "khoa ta chat snippets", "khoa xa chau 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 xa chat 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 xa chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoa xa chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoa xa chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.