Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao gian con snippets" » "dan gian con snippets", "dam gian con snippets", "dao giao con snippets", "dao gian cuon snippets", "dao gian co snippets", "dao gian don 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 gian con 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 gian con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao gian con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao gian con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.