Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoa am mo snippets" » "khoa cam mo snippets", "hoa am mo snippets", "khoa kham mo snippets", "khoa nam mo snippets", "khoa am ma 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 am mo 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 am mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoa am mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoa am mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.