Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao ben chi snippets" » "do ben chi snippets", "dao den chi snippets", "dao tien chi snippets", "dao ban chi snippets", "dao banh chi snippets", "dao benh cho 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: (((("dao ben chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao ben chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao ben chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao ben chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.