Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khac gan mo snippets" » "khach san mo snippets", "khac duan mo snippets", "khac manh mo snippets", "khac dan mo snippets", "khac fan mo snippets", "khac ran mo 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 gan 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: (((("khac gan mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khac gan mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khac gan mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.